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example_id
int64
0
199
prompt
listlengths
2
2
completion
listlengths
3
9
task
stringclasses
1 value
reward
float64
0.2
1.2
generation_ms
float64
9.13k
60.7k
scoring_ms
float64
0.3
6.29
total_ms
float64
9.14k
60.7k
info
dict
win_reward_func
float64
0
1
format_reward_func
float64
1
1
invalid_move_penalty_func
float64
0
0
0
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to maximize control and create multiple winning lines; no immediate threat from O at 6.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the left column (positions 3 and 6) and will win next by taking 0, so block at 0 immediately.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nX | 1 | O\n---------\nO | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [1, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Place X at 8 to complete the diagonal 0-4-8 and win immediately.</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
20,906.882048
0.965118
20,907.847166
{ "example_seed": 788385, "initial_board": [ null, null, null, null, null, null, "O", null, null ], "random_move_prob": 0.6622040203293029 }
1
1
0
1
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to maximize control and create the most winning lines.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\n0 | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O took a corner. I'll take the opposite corner (6) to maximize control and avoid giving O a fork.</think>\n<move>6</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\n0 | 1 | O\n---------\n3 | X | 5\n---------\nX | O | 8\n\nAvailable positions: [0, 1, 3, 5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Playing 3 creates a fork: X will threaten 3-4-5 and 0-3-6, and O can only block one.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | O\n---------\nX | X | 5\n---------\nX | O | 8\n\nAvailable positions: [0, 5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>I have two immediate wins (0 completes 0-3-6, 5 completes 3-4-5). Play 5 to win with the middle row.</think>\n<move>5</move>", "role": "assistant" } ]
default
1.2
40,264.334679
2.079964
40,266.414642
{ "example_seed": 750058, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.20599328903576464 }
1
1
0
2
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 4.\n\n0 | 1 | 2\n---------\n3 | O | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center is taken by O; best response is a corner to maximize forks and control. I'll play top-left corner.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | 1 | 2\n---------\n3 | O | 5\n---------\n6 | 7 | O\n\nAvailable positions: [1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has center and a corner (4,8). Best response is another corner to create threats and aim for a fork — I'll take the top-right corner.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nX | O | X\n---------\n3 | O | 5\n---------\n6 | 7 | O\n\nAvailable positions: [3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O threatens a win on column 1 (positions 1-4-7). I must block at 7 immediately.</think>\n<move>7</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nX | O | X\n---------\n3 | O | O\n---------\n6 | X | O\n\nAvailable positions: [3, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>O already has 4 and 5 — placing at 3 would give O a row (3-4-5). I must block that by playing 3.</think>\n<move>3</move>", "role": "assistant" } ]
default
0.7
31,937.50906
1.055002
31,938.564062
{ "example_seed": 514727, "initial_board": [ null, null, null, null, "O", null, null, null, null ], "random_move_prob": 0.030396626127897064 }
0.5
1
0
3
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center is the strongest opening move—controls more lines and maximizes chances to create forks.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Taking a corner is the best follow-up to center+opponent corner — play the opposite corner (0) to maximize fork potential and control two diagonals.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nX | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | O\n\nAvailable positions: [1, 2, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has 6 and 8 and will win next by playing 7, so I must block at 7 immediately.</think>\n<move>7</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\nX | 1 | 2\n---------\nO | X | 5\n---------\nO | X | O\n\nAvailable positions: [1, 2, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>Playing at 1 completes the column 1-4-7 (X-X-X) and wins immediately.</think>\n<move>1</move>", "role": "assistant" } ]
default
1.2
20,665.476084
1.497984
20,666.974068
{ "example_seed": 288333, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.30836712984954673 }
1
1
0
4
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest opening: it gives the most opportunities to create forks and control the board.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>With center already taken, claiming a corner is strongest — it maximizes winning lines and sets up potential forks. I'll take corner 0.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nX | 1 | 2\n---------\n3 | X | 5\n---------\n6 | O | O\n\nAvailable positions: [1, 2, 3, 5, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the bottom row (7 and 8) and will win next by playing 6, so I must block at 6.</think>\n<move>6</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nX | O | 2\n---------\n3 | X | 5\n---------\nX | O | O\n\nAvailable positions: [2, 3, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>X already occupies 0 and 6; placing at 3 completes the left column (0-3-6) for a win.</think>\n<move>3</move>", "role": "assistant" } ]
default
1.2
17,929.702759
1.754999
17,931.457758
{ "example_seed": 609987, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.8307621458339445 }
1
1
0
5
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 4.\n\n0 | 1 | 2\n---------\n3 | O | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Opponent took center. Best reply is a corner to maximize win/fork chances. I'll take corner 0.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nX | O | 2\n---------\n3 | O | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has center and an edge; taking the opposite corner (8) gives X the best chance to create forks and maximize winning chances.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nX | O | 2\n---------\n3 | O | 5\n---------\nO | 7 | X\n\nAvailable positions: [2, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in column 1 (positions 1 and 4) and will win by playing 7 next turn. I must block at 7.</think>\n<move>7</move>", "role": "assistant" } ]
default
0.2
16,455.099821
1.024008
16,456.123829
{ "example_seed": 677027, "initial_board": [ null, null, null, null, "O", null, null, null, null ], "random_move_prob": 0.9633340726762241 }
0
1
0
6
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to maximize chances and control more winning lines.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>With center taken and O in a corner (6), take the opposite corner (2) to maximize control and aim for future forks.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\n0 | 1 | X\n---------\n3 | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 3, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 0 to create a fork: X will threaten 1 (row 0-1-2) and 8 (diag 0-4-8). O can't block both next turn.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\nX | 1 | X\n---------\nO | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [1, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>There is an immediate win: completing the top row (0-1-2) by playing 1. (Also 8 would win via the diagonal 0-4-8.) Choose 1 to win now.</think>\n<move>1</move>", "role": "assistant" } ]
default
1.2
27,798.226357
0.911236
27,799.137592
{ "example_seed": 214649, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.649664331478263 }
1
1
0
7
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (best opening: controls most lines and creates the most forks).</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>With X in the center and O in a corner, the best reply is a corner. Play 0 to maximize fork possibilities and control key lines.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nX | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [1, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Playing 3 creates a fork: X at 3 and 4 threatens 5, and X at 0 and 3 threatens 6. O can't block both, so I'll win next turn.</think>\n<move>3</move>", "role": "assistant" } ]
default
0.2
20,496.886969
0.844002
20,497.73097
{ "example_seed": 644554, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.2957826022037746 }
0
1
0
8
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center is strongest opening—controls 4 winning lines and gives best chance to force a win/draw.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take the opposite corner (2) to maximize forks and control diagonals after center opening.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | X\n---------\n3 | X | 5\n---------\nO | 7 | O\n\nAvailable positions: [0, 1, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Placing at 1 creates a fork: X will threaten 0 (row 0) and 7 (column 1). O can only block one, giving me a forced win next turn.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\n0 | X | X\n---------\n3 | X | O\n---------\nO | 7 | O\n\nAvailable positions: [0, 3, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Placing at 0 completes the top row (0-1-2) giving an immediate win.</think>\n<move>0</move>", "role": "assistant" } ]
default
1.2
22,169.289351
0.847101
22,170.136452
{ "example_seed": 558643, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.26192936343049056 }
1
1
0
9
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take center (4) — it's the strongest opening: maximizes future winning lines and is optimal against best play.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play corner 0 (opposite O at 8) to maximize control and create future fork opportunities.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nX | 1 | 2\n---------\n3 | X | 5\n---------\n6 | O | O\n\nAvailable positions: [1, 2, 3, 5, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>O threatens to play 6 and complete 6-7-8. Must block that immediate win by placing X at 6.</think>\n<move>6</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nX | 1 | 2\n---------\n3 | X | O\n---------\nX | O | O\n\nAvailable positions: [1, 2, 3]\n\nYour turn.", "role": "user" }, { "content": "<think>Place X at 3 to complete the column 0-3-6 (X at 0,3,6) — that's an immediate win.</think>\n<move>3</move>", "role": "assistant" } ]
default
1.2
25,486.385107
2.030849
25,488.415956
{ "example_seed": 229487, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.8710991032993933 }
1
1
0
10
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center (4) is the strongest reply: it controls more lines and sets up multiple winning possibilities while limiting O's options.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\nO | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O already has two in the left column (positions 0 and 3). They will win by playing 6 next, so I must block at 6.</think>\n<move>6</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nO | 1 | O\n---------\nO | X | 5\n---------\nX | 7 | 8\n\nAvailable positions: [1, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has 0 and 2 and will win next by playing 1, so I must block the top row.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | X | O\n---------\nO | X | 5\n---------\nX | O | 8\n\nAvailable positions: [5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate wins for either side. Play 5 to occupy the last open non-corner and force the final move by O at 8, resulting in a draw with best play.</think>\n<move>5</move>", "role": "assistant" } ]
default
0.7
34,106.837988
1.176119
34,108.014107
{ "example_seed": 9673, "initial_board": [ null, null, null, "O", null, null, null, null, null ], "random_move_prob": 0.26268864012190185 }
0.5
1
0
11
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 1.\n\n0 | O | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take center (4) to control the board and maximize future winning lines; it's the strongest response to an edge play at 1.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\n0 | O | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the top row (1 and 2) and threatens 0; block the immediate win by playing at 0.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | O | O\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the right column (2 and 8) and threatens 5. Block the immediate loss by playing at 5.</think>\n<move>5</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\nX | O | O\n---------\nO | X | X\n---------\n6 | 7 | O\n\nAvailable positions: [6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate wins possible. Playing a corner (6) is as good as 7 and keeps the best chances; prefer 6 to take the empty corner. </think>\n<move>6</move>", "role": "assistant" } ]
default
0.7
39,138.934135
1.744032
39,140.678167
{ "example_seed": 146265, "initial_board": [ null, "O", null, null, null, null, null, null, null ], "random_move_prob": 0.12293201946513732 }
0.5
1
0
12
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) to control more lines and maximize win/fork chances.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\nO | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O already has 0 and 3 (two in the left column) and will win next by playing 6, so block that threat.</think>\n<move>6</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | 1 | 2\n---------\nO | X | 5\n---------\nX | O | 8\n\nAvailable positions: [1, 2, 5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 2 to complete the diagonal 6-4-2 and win immediately.</think>\n<move>2</move>", "role": "assistant" } ]
default
1.2
15,529.595852
1.199245
15,530.795097
{ "example_seed": 983219, "initial_board": [ null, null, null, "O", null, null, null, null, null ], "random_move_prob": 0.9348374355972194 }
1
1
0
13
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest opening — it maximizes control of winning lines and gives the best chances to force a win or draw.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | O | 8\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O took an edge (7). Playing a corner is the best response — it maximizes threats and keeps options for future forks. I'll take the top-left corner.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nX | 1 | 2\n---------\n3 | X | O\n---------\n6 | O | 8\n\nAvailable positions: [1, 2, 3, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>I can win immediately by completing the diagonal 0-4-8. Play 8 to get three X in a row.</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
18,908.774853
0.642061
18,909.416914
{ "example_seed": 894956, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.5118989788497971 }
1
1
0
14
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) — it controls the most lines and is the optimal opening response to O in a corner.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Take the corner opposite O (0). With X at center, 0 is the strongest corner play to maximize control and reduce O's fork chances.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nX | O | 2\n---------\nO | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [2, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 6 to make X on the 2-4-6 diagonal (X at 4 and 6), creating a direct threat at 2 next turn. This builds pressure and limits O's safe replies.</think>\n<move>6</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nX | O | O\n---------\nO | X | 5\n---------\nX | 7 | O\n\nAvailable positions: [5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Must block O's win in column 2 (positions 2 and 8 are O), so play 5 to prevent their three-in-a-row.</think>\n<move>5</move>", "role": "assistant" } ]
default
0.7
60,719.691038
0.462294
60,720.153332
{ "example_seed": 107612, "initial_board": [ null, null, null, null, null, null, null, null, "O" ], "random_move_prob": 0.2445951926224077 }
0.5
1
0
15
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Best opening is center to maximize winning chances and control diagonals.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Opponent played a corner while I have the center. Taking the opposite corner (8) is strong: it maximizes control, sets up potential forks, and is a standard optimal response.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | X\n\nAvailable positions: [1, 2, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the left column (0 and 6) and will win by playing 3 next. I must block that immediate threat.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nO | 1 | 2\n---------\nX | X | O\n---------\nO | 7 | X\n\nAvailable positions: [1, 2, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate opponent win. Play 1 to create the threat on column (1,4,7) and force O to respond, keeping best play toward a draw/win if O slips.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nO | X | O\n---------\nX | X | O\n---------\nO | 7 | X\n\nAvailable positions: [7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 7 completes the vertical line 1-4-7 (X-X-X) and wins immediately.</think>\n<move>7</move>", "role": "assistant" } ]
default
1.2
46,323.592901
1.772165
46,325.365067
{ "example_seed": 206468, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.7540783994536491 }
1
1
0
16
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take center to maximize control and reduce opponent fork chances.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nO | 1 | 2\n---------\n3 | X | O\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to maximize winning chances and create multiple threats; position 2 (top-right) is a strong choice.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | X\n---------\n3 | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [1, 3, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the left column (0 and 6); block at 3 to prevent O's win.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nO | O | X\n---------\nX | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate win available and O has no immediate threat. Take the remaining corner to maximize chances and force the last move: choose 8.</think>\n<move>8</move>", "role": "assistant" } ]
default
0.7
38,654.748201
1.266241
38,656.014442
{ "example_seed": 284170, "initial_board": [ "O", null, null, null, null, null, null, null, null ], "random_move_prob": 0.5410696634560025 }
0.5
1
0
17
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest opening: it maximizes winning lines and gives best control of the board.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\n0 | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to maximize winning lines and limit O's options. I'll play the top-left corner (0).</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [1, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O is threatening to win with 2-5-8 (right column). I must block at 5 now.</think>\n<move>5</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nX | O | O\n---------\n3 | X | X\n---------\n6 | 7 | O\n\nAvailable positions: [3, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Placing X at 3 completes the middle row 3-4-5 (X X X) and wins immediately.</think>\n<move>3</move>", "role": "assistant" } ]
default
1.2
22,840.143204
1.597881
22,841.741085
{ "example_seed": 392283, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.6496342514600775 }
1
1
0
18
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center is the strongest reply — it controls 4 winning lines and gives best chances to force a win or draw. I'll take position 4.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate O win. Taking a corner is best; play 2 to create pressure on the 2-4-6 diagonal and keep fork chances.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | X\n---------\nO | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>I have X at 2 and 4; playing 6 completes the diagonal 2-4-6 and wins immediately. No need to block.</think>\n<move>6</move>", "role": "assistant" } ]
default
1.2
28,534.435034
1.554012
28,535.989046
{ "example_seed": 726955, "initial_board": [ null, null, null, null, null, null, null, null, "O" ], "random_move_prob": 0.548984437353496 }
1
1
0
19
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center gives the most control and the highest chance to force a win or draw.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Taking the opposite corner (8) gives the best chances to create a fork and control key lines after O's reply.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\nO | 1 | 2\n---------\nO | X | 5\n---------\n6 | 7 | X\n\nAvailable positions: [1, 2, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the left column (0 and 3) and will win by playing 6 next. I must block that immediate threat.</think>\n<move>6</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nO | O | 2\n---------\nO | X | 5\n---------\nX | 7 | X\n\nAvailable positions: [2, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Placing X at 7 completes the bottom row (6-7-8) and wins immediately.</think>\n<move>7</move>", "role": "assistant" } ]
default
1.2
23,527.752161
1.719713
23,529.471874
{ "example_seed": 254389, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.11909479580370708 }
1
1
0
20
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 2.\n\n0 | 1 | O\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) to maximize control and reduce O's fork chances after an opening in the corner.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\n0 | 1 | O\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to build toward a diagonal/row threat and limit O's fork options. Corner 8 complements the center and creates multiple future threats.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | O\n---------\n3 | X | 5\n---------\nO | 7 | X\n\nAvailable positions: [1, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two immediate winning threats: 0-1-2 (needs 1) and 0-3-6 (needs 3). I must block one — pick 1 to stop the row threat (though O will win on the next move at 3).</think>\n<move>1</move>", "role": "assistant" } ]
default
0.2
40,719.551802
1.835823
40,721.387625
{ "example_seed": 167080, "initial_board": [ null, null, "O", null, null, null, null, null, null ], "random_move_prob": 0.9112117429659167 }
0
1
0
21
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center is the strongest opening: controls four winning lines and maximizes future threats.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O took a corner (6). Taking the opposite corner (2) is strong with X in the center: it controls a second diagonal and sets up potential forks while keeping pressure.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | X\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [1, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the left column (positions 0 and 6) and will win next by playing 3, so I must block at 3.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nO | 1 | X\n---------\nX | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [1, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate win. Playing 1 creates a two-in-a-line (1-4) threatening 7 next turn and keeps pressure; it's the natural move to maintain advantage.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | X | X\n---------\nX | X | O\n---------\nO | O | 8\n\nAvailable positions: [8]\n\nYour turn.", "role": "user" }, { "content": "<think>Only square left is 8; play there to finish the game (result will be a draw).</think>\n<move>8</move>", "role": "assistant" } ]
default
0.7
47,362.869024
1.599073
47,364.468098
{ "example_seed": 182374, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.32653729772129225 }
0.5
1
0
22
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) to maximize control and create multiple winning threats.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to maximize control and create multiple threats; 8 is best to pressure O and keep forks available.</think>\n<move>8</move>", "role": "assistant" } ]
default
0.2
12,752.097845
2.06399
12,754.161835
{ "example_seed": 539860, "initial_board": [ null, null, null, null, null, null, "O", null, null ], "random_move_prob": 0.7398735937827605 }
0
1
0
23
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) gives the best control and maximizes opportunities to create forks later.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\n0 | 1 | 2\n---------\n3 | X | O\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O took a side (5). No immediate threat — play a corner to maximize forks and control a diagonal. I'll take corner 0.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | 1 | 2\n---------\n3 | X | O\n---------\n6 | 7 | O\n\nAvailable positions: [1, 2, 3, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O can win next by playing 2 (completing 2-5-8). I must block that immediate threat by taking 2.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nX | 1 | X\n---------\n3 | X | O\n---------\nO | 7 | O\n\nAvailable positions: [1, 3, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>X has two in the top row (0 and 2). Playing 1 completes 0-1-2 and wins immediately.</think>\n<move>1</move>", "role": "assistant" } ]
default
1.2
21,849.698067
0.754118
21,850.452185
{ "example_seed": 262693, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.5772193507689214 }
1
1
0
24
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest reply: it controls the most lines and prevents early O forks after a corner opening.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>With X in the center and O occupying opposite corners (0 and 8), taking a corner is strong: it builds X's future two-way threats and prevents O from getting a dangerous fork. I'll play corner 2.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | X\n---------\n3 | X | 5\n---------\nO | 7 | O\n\nAvailable positions: [1, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the left column (0 and 6) and will win by playing 3 next turn. I must block that immediate threat. Play 3.</think>\n<move>3</move>", "role": "assistant" } ]
default
0.2
27,713.196993
1.688957
27,714.88595
{ "example_seed": 58935, "initial_board": [ null, null, null, null, null, null, null, null, "O" ], "random_move_prob": 0.28394651033866214 }
0
1
0
25
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take center (4) — it's the strongest reply: controls center, creates maximum threats and blocks O's potential diagonals.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\n0 | 1 | 2\n---------\n3 | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner (0). With X in the center, a corner move builds multiple threats and sets up potential forks while limiting O's good replies.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | 1 | 2\n---------\n3 | X | O\n---------\nO | 7 | O\n\nAvailable positions: [1, 2, 3, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O threatens to win on the right column (positions 2,5,8). Block that immediate threat by playing at 2.</think>\n<move>2</move>", "role": "assistant" } ]
default
0.2
26,241.832972
1.638174
26,243.471146
{ "example_seed": 247888, "initial_board": [ null, null, null, null, null, null, "O", null, null ], "random_move_prob": 0.029627669685295066 }
0
1
0
26
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 1.\n\n0 | O | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) to maximize control and create multiple winning paths while preventing O from using center.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\n0 | O | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to maximize chances and create a diagonal threat with the center. Play 0 to threaten the 0-4-8 diagonal and force O to respond.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nX | O | 2\n---------\n3 | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [2, 3, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Complete the 0-4-8 diagonal. Placing X at 8 wins immediately.</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
40,245.798826
6.291151
40,252.089977
{ "example_seed": 982033, "initial_board": [ null, "O", null, null, null, null, null, null, null ], "random_move_prob": 0.5492147050833905 }
1
1
0
27
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take center to maximize control and create more winning lines; center is best reply to a corner move.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to build multiple winning lines and reduce O's fork chances. Corner 2 pairs well with center X.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\n0 | 1 | X\n---------\nO | X | O\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 6 to complete the diagonal 2-4-6 and win immediately.</think>\n<move>6</move>", "role": "assistant" } ]
default
1.2
32,789.566278
2.908945
32,792.475224
{ "example_seed": 24916, "initial_board": [ null, null, null, null, null, null, null, null, "O" ], "random_move_prob": 0.6724246806383668 }
1
1
0
28
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 7.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | O | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) gives X the most control and creates multiple potential lines while blocking O’s easy forks.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | X | 5\n---------\n6 | O | 8\n\nAvailable positions: [0, 1, 2, 5, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to maximize X's chances and create a diagonal threat (0-4-8). Corners are stronger than edges here. I'll play top-left (0).</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | 1 | 2\n---------\nO | X | 5\n---------\n6 | O | O\n\nAvailable positions: [1, 2, 5, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>O has 7 and 8; if I don't play 6 they win with 6-7-8 next. I must block at 6.</think>\n<move>6</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nX | 1 | O\n---------\nO | X | 5\n---------\nX | O | O\n\nAvailable positions: [1, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>O threatens a win on the right column (2 and 8). I must block at 5 to prevent O from getting 2-5-8.</think>\n<move>5</move>", "role": "assistant" } ]
default
0.7
31,808.93898
1.982927
31,810.921907
{ "example_seed": 963129, "initial_board": [ null, null, null, null, null, null, null, "O", null ], "random_move_prob": 0.07129800941361264 }
0.5
1
0
29
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 7.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | O | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking center (4) is the strongest response to O at 7: it controls more lines and maximizes chances to create two-way threats.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | O | 8\n\nAvailable positions: [1, 2, 3, 5, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner. Playing 2 (top-right) gives X the potential diagonal 2-4-6 and more fork chances than a side; it keeps pressure on O.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | X\n---------\n3 | X | 5\n---------\nO | O | 8\n\nAvailable positions: [1, 3, 5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O already has 6 and 7, threatening to complete the bottom row at 8. Must block that immediate win by placing X at 8.</think>\n<move>8</move>", "role": "assistant" } ]
default
0.2
25,764.062881
2.15292
25,766.215801
{ "example_seed": 142212, "initial_board": [ null, null, null, null, null, null, null, "O", null ], "random_move_prob": 0.20503193736230174 }
0
1
0
30
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take center (4) — it's the strongest opening move, controls four potential winning lines and maximizes chances to force a win or draw.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take the opposite corner (2). With center already occupied, 2 maximizes control and sets up potential forks while responding directly to O in corner 6.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | X\n---------\n3 | X | 5\n---------\nO | 7 | O\n\nAvailable positions: [0, 1, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 1 to create a fork: X at 1 plus existing Xs at 2 and 4 gives two threats (0 or 7) that O cannot block both.</think>\n<move>1</move>", "role": "assistant" } ]
default
0.2
19,521.703959
2.464056
19,524.168015
{ "example_seed": 229808, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.016066088557355807 }
0
1
0
31
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center maximizes control and is the strongest opening move.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\n0 | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to maximize control and set up potential two-way threats using the center — choose top-left (0).</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\nX | 1 | O\n---------\nO | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 8 to complete the diagonal 0-4-8 and win immediately.</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
17,060.731888
1.765013
17,062.496901
{ "example_seed": 900642, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.6855386471539681 }
1
1
0
32
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) to control the most lines and maximize winning chances.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\n0 | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Play the opposite corner (6) to control a diagonal and set up potential forks while keeping pressure on O.</think>\n<move>6</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | O\n---------\n3 | X | 5\n---------\nX | 7 | 8\n\nAvailable positions: [1, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O threatens to win on the top row by playing at 1 next, so block immediately.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | X | O\n---------\n3 | X | 5\n---------\nX | O | 8\n\nAvailable positions: [3, 5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 5 to make two in a row (4 and 5), forcing O to block at 3 next turn and preventing O from getting counterplay.</think>\n<move>5</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\nO | X | O\n---------\nO | X | X\n---------\nX | O | 8\n\nAvailable positions: [8]\n\nYour turn.", "role": "user" }, { "content": "<think>Only available square is 8, so play there.</think>\n<move>8</move>", "role": "assistant" } ]
default
0.7
44,610.038042
0.595093
44,610.633135
{ "example_seed": 82835, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.28520784137467303 }
0.5
1
0
33
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking center (4) is the strongest opening: it gives the most winning lines and maximizes flexibility.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner (0) to maximize chances for a future fork and control both a row and the main diagonal.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\nX | 1 | 2\n---------\nO | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [1, 2, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 2 to create a fork: X at 0,2,4 will threaten 1 (top row) and 6 (diagonal 2-4-6), which O cannot block both.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nX | O | X\n---------\nO | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Place X at 6 to complete the diagonal 2-4-6 and win immediately.</think>\n<move>6</move>", "role": "assistant" } ]
default
1.2
28,787.742853
0.674725
28,788.417578
{ "example_seed": 746323, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.4700028279892937 }
1
1
0
34
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 2.\n\n0 | 1 | O\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest opening response to control the board and reduce opponent's fork chances.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O already has two in a row on 1-2 and will win next by playing 0, so I must block at 0.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | O | O\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O is threatening the column 2-5-8 (O has 2 and 8), so I must block at 5 to avoid immediate loss.</think>\n<move>5</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nX | O | O\n---------\n3 | X | X\n---------\n6 | O | O\n\nAvailable positions: [3, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>O is threatening to complete the bottom row 6-7-8, so I must play 6 to block that immediate win.</think>\n<move>6</move>", "role": "assistant" } ]
default
0.7
25,496.43898
5.398035
25,501.837015
{ "example_seed": 833648, "initial_board": [ null, null, "O", null, null, null, null, null, null ], "random_move_prob": 0.03823087107824086 }
0.5
1
0
35
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 5.\n\n0 | 1 | 2\n---------\n3 | 4 | O\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) — it's the strongest reply, controls most lines and helps prevent opponent forks.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | O\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take the opposite corner (8). It creates strong diagonal/row threats and helps prevent O forks after their corner play at 0.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | 1 | 2\n---------\n3 | X | O\n---------\n6 | O | X\n\nAvailable positions: [1, 2, 3, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 2 to create a diagonal threat on 2-4-6. O will have to respond at 6 to block, giving X the initiative.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | X\n---------\n3 | X | O\n---------\nO | O | X\n\nAvailable positions: [1, 3]\n\nYour turn.", "role": "user" }, { "content": "<think>O threatens a win at column 0 (positions 0 and 6 occupied by O), so I must block at 3. Playing 1 would allow O to play 3 and win.</think>\n<move>3</move>", "role": "assistant" } ]
default
0.7
51,396.081924
1.390219
51,397.472143
{ "example_seed": 182905, "initial_board": [ null, null, null, null, null, "O", null, null, null ], "random_move_prob": 0.9354274465476518 }
0.5
1
0
36
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) to control the board and create the most winning lines.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nO | 1 | 2\n---------\n3 | X | O\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take the opposite corner (8) to occupy a corner and maximize future fork chances while keeping pressure.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nO | O | 2\n---------\n3 | X | O\n---------\n6 | 7 | X\n\nAvailable positions: [2, 3, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the top row (0 and 1) and will win by playing 2 next turn, so block at 2.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | O | X\n---------\n3 | X | O\n---------\nO | 7 | X\n\nAvailable positions: [3, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in column 0 (positions 0 and 6). If I don't play 3, O will play 3 and win. Block at 3.</think>\n<move>3</move>", "role": "assistant" } ]
default
0.7
32,625.85783
1.903296
32,627.761126
{ "example_seed": 283763, "initial_board": [ "O", null, null, null, null, null, null, null, null ], "random_move_prob": 0.7789369459687285 }
0.5
1
0
37
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to maximize control and create the most winning opportunities.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to maximize future fork opportunities and avoid giving O easy lines. I'll play a corner (0).</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nX | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | O\n\nAvailable positions: [1, 2, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has 6 and 8 and threatens to win by playing 7 (bottom row). I must block that immediate threat.</think>\n<move>7</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nX | 1 | 2\n---------\n3 | X | O\n---------\nO | X | O\n\nAvailable positions: [1, 2, 3]\n\nYour turn.", "role": "user" }, { "content": "<think>Playing at 1 completes the column 1-4-7 (1,4,7) for a win.</think>\n<move>1</move>", "role": "assistant" } ]
default
1.2
22,135.661602
1.676083
22,137.337685
{ "example_seed": 817823, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.8692995314230959 }
1
1
0
38
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest response: it maximizes control and prevents easy forks by O.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\nO | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Take corner 2 to create the diagonal threat 2-4-6 (a future win on 6) and maximize pressure; corners are stronger than edges here.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\n0 | 1 | X\n---------\nO | X | 5\n---------\n6 | O | O\n\nAvailable positions: [0, 1, 5, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 6 to complete the diagonal 2-4-6 and win immediately (it also blocks O's threat on 6 from 6-7-8).</think>\n<move>6</move>", "role": "assistant" } ]
default
1.2
35,789.964199
1.364231
35,791.32843
{ "example_seed": 616822, "initial_board": [ null, null, null, "O", null, null, null, null, null ], "random_move_prob": 0.2671196746850776 }
1
1
0
39
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to maximize control and create most potential winning lines.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\n0 | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to maximize winning chances and set up potential forks. I'll play top-left (0).</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [1, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the right column (2 and 8); they will win by playing 5 next. Must block at 5 immediately.</think>\n<move>5</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\nX | 1 | O\n---------\nO | X | X\n---------\n6 | 7 | O\n\nAvailable positions: [1, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate win. Play 1 to build a threat on the middle column (1-4-7); O will have to respond to that on their next turn.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nX | X | O\n---------\nO | X | X\n---------\n6 | O | O\n\nAvailable positions: [6]\n\nYour turn.", "role": "user" }, { "content": "<think>Only spot left is 6, so play there.</think>\n<move>6</move>", "role": "assistant" } ]
default
0.7
58,311.192036
0.985146
58,312.177181
{ "example_seed": 69521, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.43675392336618557 }
0.5
1
0
40
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 7.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | O | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest move: it maximizes control, creates multiple lines for X, and prevents O from gaining the central advantage.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | O | 8\n\nAvailable positions: [1, 2, 3, 5, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Taking a corner is best after holding the center. Play 2 (top-right) to maximize control and set up the diagonal threat 2-4-6, creating potential for a future fork.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | X\n---------\n3 | X | 5\n---------\nO | O | 8\n\nAvailable positions: [1, 3, 5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O threatens wins at positions 3 (0-3-6) and 8 (6-7-8). I cannot block both, so choose one to delay the loss. I'll block the left column by playing 3.</think>\n<move>3</move>", "role": "assistant" } ]
default
0.2
39,937.429905
0.920057
39,938.349962
{ "example_seed": 890484, "initial_board": [ null, null, null, null, null, null, null, "O", null ], "random_move_prob": 0.2434555824363317 }
0
1
0
41
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Opening move: center (4) gives the best control and highest chance to force a win or draw.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to maximize future fork opportunities and control. Top-left (0) creates diagonal and row threats with the center.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nX | 1 | 2\n---------\nO | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [1, 2, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Win immediately by completing the diagonal 0-4-8 (X at 0 and 4 already). Play 8.</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
14,170.516014
1.54376
14,172.059774
{ "example_seed": 657444, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.6812024117128652 }
1
1
0
42
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 4.\n\n0 | 1 | 2\n---------\n3 | O | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take a corner to maximize winning chances and create fork opportunities against O in the center.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nX | 1 | 2\n---------\n3 | O | 5\n---------\nO | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>With O in the center and at 6, taking the other top corner (2) creates an immediate two-in-a-row threat on the top row and sets up potential forks on the next move.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nX | O | X\n---------\n3 | O | 5\n---------\nO | 7 | 8\n\nAvailable positions: [3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O threatens 1-4-7 (positions 1 and 4 occupied). I must block at 7 to prevent immediate loss.</think>\n<move>7</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\nX | O | X\n---------\nO | O | 5\n---------\nO | X | 8\n\nAvailable positions: [5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in row 3-4-5 and will win next if I don't block. Play 5 to stop that immediate loss.</think>\n<move>5</move>", "role": "assistant" } ]
default
0.7
26,793.956995
1.712799
26,795.669794
{ "example_seed": 783460, "initial_board": [ null, null, null, null, "O", null, null, null, null ], "random_move_prob": 0.9828277191506631 }
0.5
1
0
43
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 1.\n\n0 | O | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center is the strongest response to an opponent opening on an edge — it maximizes control of lines and minimizes their fork chances.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\n0 | O | 2\n---------\nO | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 2, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate block needed. Taking a corner is best after center; I'll take corner 2 to build the 2-4-6 diagonal threat and maximize control.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\n0 | O | X\n---------\nO | X | O\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Placing at 6 completes the diagonal 2-4-6 (X at 2 and 4), giving an immediate win.</think>\n<move>6</move>", "role": "assistant" } ]
default
1.2
20,556.202173
2.011061
20,558.213234
{ "example_seed": 502052, "initial_board": [ null, "O", null, null, null, null, null, null, null ], "random_move_prob": 0.4721797973010171 }
1
1
0
44
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) — it maximizes control and gives the most winning-line opportunities.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take the opposite corner (8). With the center already mine, 8 maximizes future fork possibilities and pressure on O.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | X\n\nAvailable positions: [1, 2, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has 0 and 6; they will win next by playing 3. Must block that immediate threat by taking 3.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nO | 1 | O\n---------\nX | X | 5\n---------\nO | 7 | X\n\nAvailable positions: [1, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>X occupies 3 and 4; playing 5 completes the row 3-4-5 and wins immediately.</think>\n<move>5</move>", "role": "assistant" } ]
default
1.2
17,055.891037
1.574993
17,057.46603
{ "example_seed": 492362, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.08640744952744916 }
1
1
0
45
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (best opening move: maximizes control and creates most winning lines).</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take the opposite corner (8). With X in center, a corner move maximizes winning chances and helps create future fork possibilities while limiting O's options.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | X\n\nAvailable positions: [1, 2, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the left column (0 and 6); they will win by playing 3 next turn. Must block at 3 immediately.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nO | 1 | 2\n---------\nX | X | O\n---------\nO | 7 | X\n\nAvailable positions: [1, 2, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 1 to make a two-in-a-row (1-4) and threaten 7 next. This forces O to respond and keeps control.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | X | 2\n---------\nX | X | O\n---------\nO | O | X\n\nAvailable positions: [2]\n\nYour turn.", "role": "user" }, { "content": "<think>Only remaining empty square is 2, so play there.</think>\n<move>2</move>", "role": "assistant" } ]
default
0.7
36,315.000772
1.379967
36,316.380739
{ "example_seed": 640642, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.22039082656380293 }
0.5
1
0
46
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) maximizes control and creates the best chance to form a fork later after opponent's reply. It's the optimal response to O in a corner.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the bottom row (6 and 8) and will win by playing 7 next turn, so I must block at 7.</think>\n<move>7</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\nO | X | O\n\nAvailable positions: [1, 2, 3, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 1 to complete the vertical line 1-4-7 and win immediately. This both wins and removes the need to block O at 3.</think>\n<move>1</move>", "role": "assistant" } ]
default
1.2
21,483.21104
1.382828
21,484.593868
{ "example_seed": 364185, "initial_board": [ null, null, null, null, null, null, "O", null, null ], "random_move_prob": 0.9679087675755266 }
1
1
0
47
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 1.\n\n0 | O | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is strongest: it controls many lines and maximizes fork potential while not missing any immediate threats from O.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\n0 | O | 2\n---------\n3 | X | O\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 2, 3, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate O threat. Taking a corner builds pressure and creates fork possibilities with the center. I'll play a corner (8) to threaten the 0-4-8 diagonal and create two-way chances.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | O | 2\n---------\n3 | X | O\n---------\n6 | 7 | X\n\nAvailable positions: [2, 3, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O can win next move by playing 2 (completing 0-1-2). I must block that immediately by placing X at 2; it also keeps pressure with X on 2-4-8 and potential 2-4-6.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | O | X\n---------\n3 | X | O\n---------\nO | 7 | X\n\nAvailable positions: [3, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O is threatening 0-3-6 (they have 0 and 6), so I must block at 3 immediately to avoid losing.</think>\n<move>3</move>", "role": "assistant" } ]
default
0.7
37,788.822889
2.134085
37,790.956974
{ "example_seed": 783169, "initial_board": [ null, "O", null, null, null, null, null, null, null ], "random_move_prob": 0.8243425085060156 }
0.5
1
0
48
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest reply: it maximizes control, blocks O from building a fork, and creates multiple winning lines for X.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | O | 8\n\nAvailable positions: [1, 2, 3, 5, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner. Playing at 2 (top-right) pairs with the center to create threats along the diagonal 2-4-6 and the column 2-5-8, maximizing X's chances and limiting O's fork opportunities.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | X\n---------\n3 | X | 5\n---------\nO | O | 8\n\nAvailable positions: [1, 3, 5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in a row on the bottom (6 and 7). I must block at 8 immediately to avoid losing.</think>\n<move>8</move>", "role": "assistant" } ]
default
0.2
27,410.672188
1.834154
27,412.506342
{ "example_seed": 453221, "initial_board": [ "O", null, null, null, null, null, null, null, null ], "random_move_prob": 0.1508095516913185 }
0
1
0
49
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take center to maximize control and create most winning lines.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\n0 | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>With center already, taking a corner maximizes winning lines and keeps pressure. I'll take corner 0.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nX | 1 | O\n---------\n3 | X | 5\n---------\n6 | O | 8\n\nAvailable positions: [1, 3, 5, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>I have X at 0 and 4 — placing X at 8 completes the diagonal 0-4-8 for an immediate win.</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
17,488.204718
3.229856
17,491.434574
{ "example_seed": 906154, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.0882846501042962 }
1
1
0
50
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to maximize control and create the most winning possibilities.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner (0) to maximize control and set up threats on both a diagonal and a row/column.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | 1 | 2\n---------\nO | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [1, 2, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 2 to create a fork: X at 0,2,4 threatens 1 (top row) and 6 (diagonal 2-4-6) simultaneously. O cannot block both.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nX | 1 | X\n---------\nO | X | O\n---------\n6 | 7 | O\n\nAvailable positions: [1, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Top row 0-1-2 has X at 0 and 2 — playing 1 completes three in a row and wins immediately.</think>\n<move>1</move>", "role": "assistant" } ]
default
1.2
19,169.250011
3.032923
19,172.282934
{ "example_seed": 482073, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.6271438029667448 }
1
1
0
51
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 5.\n\n0 | 1 | 2\n---------\n3 | 4 | O\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest reply: it maximizes control and creates multiple lines for X.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | O\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Play a corner that makes an immediate two-in-a-row with the center. Placing X at 2 gives X on 2 and 4, threatening 2-4-6 (win next turn) and forces O to play 6 to block.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | X\n---------\n3 | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [1, 3, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in a column (0 and 6); they will win next by playing 3. I must block at 3 immediately.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nO | O | X\n---------\nX | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate winning move; O has no immediate threat either. Taking corner 8 secures the board and leads to a draw (the only remaining move will be O at 7).</think>\n<move>8</move>", "role": "assistant" } ]
default
0.7
51,305.476904
1.614809
51,307.091713
{ "example_seed": 998541, "initial_board": [ null, null, null, null, null, "O", null, null, null ], "random_move_prob": 0.9343259925277049 }
0.5
1
0
52
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>I take the center to control the most lines and prevent early forks by O.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nO | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the top row (0 and 2), so I must block at 1 to prevent an immediate loss.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | X | O\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the left column (positions 0 and 6), so I must block at 3 to prevent O from winning next turn.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | X | O\n---------\nX | X | 5\n---------\nO | O | 8\n\nAvailable positions: [5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>I can complete the middle row (3-4-5) by playing at 5 to make three X in a row and win.</think>\n<move>5</move>", "role": "assistant" } ]
default
1.2
22,381.331921
0.989914
22,382.321835
{ "example_seed": 823204, "initial_board": [ "O", null, null, null, null, null, null, null, null ], "random_move_prob": 0.4961577498897932 }
1
1
0
53
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to maximize control and create the most winning opportunities.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | 2\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to create a diagonal two-in-a-row with the center, forcing O to respond and giving X strong chances to fork later.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nX | O | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Win immediately by completing the diagonal 0-4-8.</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
17,170.962811
1.021862
17,171.984673
{ "example_seed": 789030, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.6391452997047248 }
1
1
0
54
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Best opening is center to maximize winning chances and control more lines.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>With X in the center and O in a corner, the best play is to take a corner. I'll take the opposite corner (2) to maximize control and create future fork possibilities.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | X\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>With X at 2 and 4, playing a corner 8 creates a fork: threats on 0 (diagonal 0-4-8) and 5 (column 2). O can only block one. Choose 8.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\n0 | O | X\n---------\n3 | X | 5\n---------\nO | O | X\n\nAvailable positions: [0, 3, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>Playing at 0 completes the diagonal 0-4-8 (X at 0,4,8) for an immediate win.</think>\n<move>0</move>", "role": "assistant" } ]
default
1.2
33,098.302364
1.650095
33,099.952459
{ "example_seed": 100846, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.4797662665560769 }
1
1
0
55
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center is the strongest response to an opening corner; it maximizes control and creates multiple winning-line possibilities.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to maximize future two-way threats. With center occupied, 0 creates the diagonal 0-4-8 and keeps strong control while preventing easy O forks.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | O | 2\n---------\n3 | X | 5\n---------\nO | 7 | O\n\nAvailable positions: [2, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the bottom row (6 and 8) and will win by playing 7 next, so block at 7.</think>\n<move>7</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nX | O | O\n---------\n3 | X | 5\n---------\nO | X | O\n\nAvailable positions: [3, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the column 2-5-8 (positions 2 and 8), so I must block at 5 to prevent immediate loss.</think>\n<move>5</move>", "role": "assistant" } ]
default
0.7
37,338.718891
1.535892
37,340.254784
{ "example_seed": 683907, "initial_board": [ null, null, null, null, null, null, "O", null, null ], "random_move_prob": 0.3016761336241487 }
0.5
1
0
56
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) to maximize control and create the most winning lines while preventing O from building easy forks.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the left column (0 and 6) and will win by playing 3 next turn, so block that immediate threat by taking 3.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nO | 1 | 2\n---------\nX | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [1, 2, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Place at 1 to make two-in-a-row (1 and 4) and force O to block at 7 on their next turn, gaining initiative.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | X | 2\n---------\nX | X | O\n---------\nO | O | 8\n\nAvailable positions: [2, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>I must prevent O from completing the bottom row (6-7-8). If I play 2, O will play 8 and win. Play 8 to block that immediate win and force the last move.</think>\n<move>8</move>", "role": "assistant" } ]
default
0.7
44,025.657892
0.731707
44,026.389599
{ "example_seed": 568775, "initial_board": [ null, null, null, null, null, null, "O", null, null ], "random_move_prob": 0.3922456125600243 }
0.5
1
0
57
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Opponent took corner 0. Taking the center (4) is the strongest reply: it maximizes control and prevents easy fork threats.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nO | O | 2\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in a row at 0 and 1 and will win by playing 2 next turn, so I must block immediately by taking 2.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | O | X\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in column 0 (positions 0 and 6). If I don't play 3, O will play 3 next and win. Block at 3 immediately.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nO | O | X\n---------\nX | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate win for X. Either 7 or 8 leads to a draw with best play; 7 is a safe block. Play 7.</think>\n<move>7</move>", "role": "assistant" } ]
default
0.7
28,001.09601
1.096964
28,002.192974
{ "example_seed": 438585, "initial_board": [ "O", null, null, null, null, null, null, null, null ], "random_move_prob": 0.36548451505156243 }
0.5
1
0
58
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center is the strongest opening: controls four potential winning lines and maximizes threats; take position 4.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play corner 2 to make X at 2 and 4, creating a diagonal threat (2-4-6). This forces O to respond at 6 or lose on my next move.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | O | X\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>I have X at 2 and 4; playing 6 completes the diagonal 2-4-6 and wins immediately.</think>\n<move>6</move>", "role": "assistant" } ]
default
1.2
25,751.17898
1.798868
25,752.977848
{ "example_seed": 248955, "initial_board": [ null, null, null, null, null, null, null, null, "O" ], "random_move_prob": 0.5019953296729245 }
1
1
0
59
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center is the strongest opening: it gives the most winning lines and controls the board.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O took a corner (8). Respond by taking the opposite corner (0) to maximize control and create future fork opportunities.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nX | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | O\n\nAvailable positions: [1, 2, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the bottom row (6 and 8) and will win by playing 7 next. Must block at 7.</think>\n<move>7</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nX | O | 2\n---------\n3 | X | 5\n---------\nO | X | O\n\nAvailable positions: [2, 3, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate win. Play 5 to make 3-4-5 (X,X,_) and threaten 3 next move; O will have to respond to that threat.</think>\n<move>5</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\nX | O | 2\n---------\nO | X | X\n---------\nO | X | O\n\nAvailable positions: [2]\n\nYour turn.", "role": "user" }, { "content": "<think>Only square 2 remains. Play there; final board will be a draw.</think>\n<move>2</move>", "role": "assistant" } ]
default
0.7
36,266.200781
2.113819
36,268.3146
{ "example_seed": 687825, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.6021267889590213 }
0.5
1
0
60
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) — it's the strongest opening move, maximizing chances to create forks and control the board.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\n0 | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>With the center already mine, taking a corner is best. I'll play a corner (0) to maximize control and create fork possibilities later.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [1, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O threatens to win with 2-5-8 next turn (playing 5). Must block that immediate threat by placing X at 5.</think>\n<move>5</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\nX | 1 | O\n---------\nO | X | X\n---------\n6 | 7 | O\n\nAvailable positions: [1, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate win available. Playing 1 creates a two-in-a-row on column 1 (1-4-7), forcing O to respond and keeps control of the board.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nX | X | O\n---------\nO | X | X\n---------\n6 | O | O\n\nAvailable positions: [6]\n\nYour turn.", "role": "user" }, { "content": "<think>Only square left is 6. Play there to complete the game (results in a draw).</think>\n<move>6</move>", "role": "assistant" } ]
default
0.7
41,962.079048
1.499891
41,963.578939
{ "example_seed": 664527, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.1134201777919156 }
0.5
1
0
61
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest opening — it gives the most winning lines and control of the board.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | O | 8\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>With X in the center and O on a side, taking a corner is best. I'll play a corner (0) to maximize winning lines and create a diagonal threat (0-4-8).</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nX | 1 | O\n---------\n3 | X | 5\n---------\n6 | O | 8\n\nAvailable positions: [1, 3, 5, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>I have two X's on the diagonal (0 and 4). Playing 8 completes the 0-4-8 diagonal and wins immediately.</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
16,487.635851
1.624107
16,489.259958
{ "example_seed": 887112, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.627352807004633 }
1
1
0
62
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) to control the board and create the most winning lines. No immediate threat from O, so center is best.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | 2\n---------\nO | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 2, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to build two potential lines and limit O's fork chances. Corner 0 is adjacent to O at 1 and 3, helping block their lines while creating X threats (row, column, diagonal).</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | O | 2\n---------\nO | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [2, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play corner 2 to build pressure on the 2-4-6 diagonal (threat at 6 next) and occupy another corner. This gives X more winning chances and doesn't allow an immediate O fork.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nX | O | X\n---------\nO | X | 5\n---------\nO | 7 | O\n\nAvailable positions: [5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O already has 6 and 8, so they will win on their next move by playing 7 (6-7-8). Must block that immediate threat by placing X at 7.</think>\n<move>7</move>", "role": "assistant" } ]
default
0.7
49,047.064066
1.823187
49,048.887253
{ "example_seed": 874215, "initial_board": [ null, null, null, "O", null, null, null, null, null ], "random_move_prob": 0.27420701118554214 }
0.5
1
0
63
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center is the strongest opening move: it gives maximum control and reduces O's fork chances.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>With O on two opposite corners and X in the center, taking a remaining corner maximizes X's lines and keeps pressure. I'll take corner 2.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | 1 | X\n---------\n3 | X | 5\n---------\n6 | O | O\n\nAvailable positions: [1, 3, 5, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>X has two in the diagonal 2-4-6; placing X at 6 completes 2-4-6 and wins immediately.</think>\n<move>6</move>", "role": "assistant" } ]
default
1.2
20,558.423996
3.55196
20,561.975956
{ "example_seed": 252633, "initial_board": [ null, null, null, null, null, null, null, null, "O" ], "random_move_prob": 0.9535900164480439 }
1
1
0
64
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to maximize control and create the most winning opportunities.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>With center already taken, play the opposite corner to maximize winning lines and limit O's fork chances.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | O | X\n\nAvailable positions: [1, 2, 3, 5, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 2 to create a fork. With X at 2 and 4 (and 8), I will threaten 6 (diag 2-4-6) and 5 (col 2-5-8), which O cannot block both on the next move.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nO | O | X\n---------\n3 | X | 5\n---------\n6 | O | X\n\nAvailable positions: [3, 5, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 5 to complete the column 2-5-8 (2,5,8) and win immediately.</think>\n<move>5</move>", "role": "assistant" } ]
default
1.2
32,054.777861
1.835108
32,056.612968
{ "example_seed": 223493, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.7920066557415388 }
1
1
0
65
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 7.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | O | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) to maximize control and create multiple attack lines; no immediate threat to block from O at 7.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | 2\n---------\n3 | X | 5\n---------\n6 | O | 8\n\nAvailable positions: [0, 2, 3, 5, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Play a corner to build threats and control a diagonal. There's no immediate O threat to block, so take 0 to set up potential forks (0-4-8 and 0-3-6).</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nX | O | 2\n---------\n3 | X | O\n---------\n6 | O | 8\n\nAvailable positions: [2, 3, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>X already has two in a row on the diagonal 0-4-8. Play 8 to complete the diagonal and win immediately.</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
15,094.205856
1.88303
15,096.088886
{ "example_seed": 757497, "initial_board": [ null, null, null, null, null, null, null, "O", null ], "random_move_prob": 0.9299568195215709 }
1
1
0
66
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 5.\n\n0 | 1 | 2\n---------\n3 | 4 | O\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) to maximize control and create multiple winning lines while preventing O from using the center to form forks.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take the opposite corner (2) to control a diagonal, maximize winning-line options from the center, and reduce O's fork chances.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | X\n---------\n3 | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [0, 3, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Play corner 8 to make a diagonal threat (0-4-8). This forces O to respond at 0 or else X will win next move, maintaining initiative.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | O | X\n---------\n3 | X | O\n---------\nO | 7 | X\n\nAvailable positions: [3, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in column 0 (positions 0 and 6) and will win by playing 3 next turn. Block that threat.</think>\n<move>3</move>", "role": "assistant" } ]
default
0.7
49,847.164154
1.960754
49,849.124908
{ "example_seed": 408473, "initial_board": [ null, null, null, null, null, "O", null, null, null ], "random_move_prob": 0.08564349584750808 }
0.5
1
0
67
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest response: it controls four potential winning lines and doesn't miss any immediate threats from O.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | 2\n---------\nO | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 2, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate O threat (no two-in-a-row). Taking a corner is the best plan after center—it maximizes win chances and prevents O from grabbing strong corner spots. I'll play corner 8.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\n0 | O | 2\n---------\nO | X | 5\n---------\n6 | O | X\n\nAvailable positions: [0, 2, 5, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>I have X at 4 and 8, making the diagonal 0-4-8 with 0 empty. Playing 0 completes three in a row and wins immediately.</think>\n<move>0</move>", "role": "assistant" } ]
default
1.2
21,904.044867
3.342867
21,907.387733
{ "example_seed": 316437, "initial_board": [ null, null, null, "O", null, null, null, null, null ], "random_move_prob": 0.7335163138786424 }
1
1
0
68
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 3.\n\n0 | 1 | 2\n---------\nO | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to maximize control and create multiple winning lines while preventing O from gaining a strong fork opportunity.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\n0 | 1 | 2\n---------\nO | X | 5\n---------\n6 | O | 8\n\nAvailable positions: [0, 1, 2, 5, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to create multiple winning threats (including the diagonal 2-4-6) and maximize control after taking center.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\n0 | 1 | X\n---------\nO | X | 5\n---------\nO | O | 8\n\nAvailable positions: [0, 1, 5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O already has a fork: 3+6 threatens 0 (0-3-6) and 6+7 threatens 8 (6-7-8). I cannot stop both, so block one immediate win. Play 0 to stop 0-3-6; O can still play 8 next to win.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nX | O | X\n---------\nO | X | 5\n---------\nO | O | 8\n\nAvailable positions: [5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Positions 0 and 4 are my X's on the diagonal 0-4-8, so playing 8 wins immediately (and also blocks O's 6-7-8 threat).</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
44,590.30509
0.697136
44,591.002226
{ "example_seed": 486113, "initial_board": [ null, null, null, "O", null, null, null, null, null ], "random_move_prob": 0.8105893983789813 }
1
1
0
69
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 5.\n\n0 | 1 | 2\n---------\n3 | 4 | O\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest reply to O on the side (5); it maximizes control and future threat possibilities.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\n0 | 1 | 2\n---------\n3 | X | O\n---------\n6 | O | 8\n\nAvailable positions: [0, 1, 2, 3, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>With the center occupied, taking a corner is best to create multiple future threats and avoid giving O an easy fork. I'll play corner 0.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nX | 1 | O\n---------\n3 | X | O\n---------\n6 | O | 8\n\nAvailable positions: [1, 3, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>I can win immediately by placing X at 8 completing the diagonal 0-4-8.</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
22,251.04785
1.596928
22,252.644777
{ "example_seed": 911802, "initial_board": [ null, null, null, null, null, "O", null, null, null ], "random_move_prob": 0.8724225558859624 }
1
1
0
70
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 1.\n\n0 | O | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take center (4) to maximize control and create multiple winning lines; it's the optimal response to an edge play.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | O | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Take the opposite corner (0). With X at center, 0 maximizes control and prevents O from gaining the corner advantage or creating easy forks.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nX | O | O\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the right column at positions 2 and 8 and will win by playing 5 next. Block that immediate threat by placing X at 5.</think>\n<move>5</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 3.\n\nX | O | O\n---------\nO | X | X\n---------\n6 | 7 | O\n\nAvailable positions: [6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Only 6 and 7 remain. Neither gives an immediate win for X and O cannot force a win next move. Play 6 to complete moves and steer to a draw.</think>\n<move>6</move>", "role": "assistant" } ]
default
0.7
35,778.569937
1.873016
35,780.442953
{ "example_seed": 331721, "initial_board": [ null, "O", null, null, null, null, null, null, null ], "random_move_prob": 0.14464334914164745 }
0.5
1
0
71
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest opening — controls most lines and gives best chance to create forks.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O took a corner (8). With the center already mine (4), taking a corner maximizes chances to create forks and control diagonals — choose 0 (opposite corner) to threaten multiple lines.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nX | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | O\n\nAvailable positions: [1, 2, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Placing at 1 creates a fork: X will threaten row 0 (need 2) and column 1 (need 7). O can only block one, so I force a win next turn.</think>\n<move>1</move>", "role": "assistant" } ]
default
0.2
16,723.490715
1.341343
16,724.832058
{ "example_seed": 407585, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.03399026757072854 }
0
1
0
72
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center is the strongest opening: maximizes chances to create two-way threats and control the board.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Opponent took a corner. With the center already occupied by X, taking the opposite corner (8) is strong: it balances control, creates potential two-way threats, and avoids giving O easy forks.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | X\n\nAvailable positions: [1, 2, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the left column (0 and 6); they will win by playing 3. Must block that immediate threat.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | 1 | 2\n---------\nX | X | 5\n---------\nO | O | X\n\nAvailable positions: [1, 2, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>Middle row has X at positions 3 and 4; placing X at 5 completes three in a row and wins immediately.</think>\n<move>5</move>", "role": "assistant" } ]
default
1.2
20,950.24991
1.294136
20,951.544046
{ "example_seed": 354737, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.8617985442443749 }
1
1
0
73
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to control the most lines and create multiple future threats; also prevents O from gaining a strong advantage from the corner.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to maximize control and create future fork possibilities (threatening the diagonal 0-4-8). Corners are stronger than sides with center already occupied.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | O | 2\n---------\n3 | X | 5\n---------\nO | 7 | O\n\nAvailable positions: [2, 3, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O threatens to win on the bottom row (6-7-8). Block that immediate threat by playing at 7.</think>\n<move>7</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nX | O | O\n---------\n3 | X | 5\n---------\nO | X | O\n\nAvailable positions: [3, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>If I play 3, O will play 5 and win on the right column (2-5-8). Play 5 to block that and avoid immediate loss.</think>\n<move>5</move>", "role": "assistant" } ]
default
0.7
30,511.174917
0.825167
30,512.000084
{ "example_seed": 238631, "initial_board": [ null, null, null, null, null, null, "O", null, null ], "random_move_prob": 0.20951304293408535 }
0.5
1
0
74
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Best opening is center to maximize winning chances and control the board.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Opponent took a corner; best reply is the opposite corner to maximize fork chances and control the diagonal.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | O | X\n\nAvailable positions: [1, 2, 3, 5, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>Playing at 2 creates a fork: X will threaten 2-5-8 (need 5) and 2-4-6 (need 6). O cannot block both on the next turn.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | X\n---------\n3 | X | 5\n---------\nO | O | X\n\nAvailable positions: [1, 3, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>I can win immediately by placing X at 5 to complete the column (2,5,8).</think>\n<move>5</move>", "role": "assistant" } ]
default
1.2
37,852.576971
1.758814
37,854.335785
{ "example_seed": 519474, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.8019523159198713 }
1
1
0
75
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 2.\n\n0 | 1 | O\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center is the strongest reply after O took a corner — it maximizes control and creates multiple threats.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\n0 | 1 | O\n---------\n3 | X | 5\n---------\n6 | O | 8\n\nAvailable positions: [0, 1, 3, 5, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner to maximize control and create multiple threat possibilities. Top-left (0) pairs well with center to threaten both the top row and the main diagonal.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | 1 | O\n---------\n3 | X | 5\n---------\n6 | O | O\n\nAvailable positions: [1, 3, 5, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>O already threatens both 6 (to complete 6-7-8) and 5 (to complete 2-5-8). I must block one immediate win. I'll block the bottom row by playing 6.</think>\n<move>6</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\nX | O | O\n---------\n3 | X | 5\n---------\nX | O | O\n\nAvailable positions: [3, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>Playing at 3 completes the column 0-3-6 (X at 0, 3, 6) and wins immediately.</think>\n<move>3</move>", "role": "assistant" } ]
default
1.2
37,217.510223
1.451731
37,218.961954
{ "example_seed": 642165, "initial_board": [ null, null, "O", null, null, null, null, null, null ], "random_move_prob": 0.5296253976049055 }
1
1
0
76
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take center (4) to control the board, create winning chances, and limit O's forks after a corner opening.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the left column (0 and 6). Must block at 3 to prevent an immediate O win.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nO | 1 | 2\n---------\nX | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [1, 2, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Place at 1 to make two-in-a-row in the middle column (1 and 4), threatening 7 next turn. O must respond to block 7.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | X | 2\n---------\nX | X | O\n---------\nO | O | 8\n\nAvailable positions: [2, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O threatens a win on the bottom row (6-7-8). If I play 2, O will play 8 and get 6-7-8. I must play 8 to block that immediate loss.</think>\n<move>8</move>", "role": "assistant" } ]
default
0.7
41,813.750029
3.95298
41,817.703009
{ "example_seed": 775513, "initial_board": [ "O", null, null, null, null, null, null, null, null ], "random_move_prob": 0.15244356964400496 }
0.5
1
0
77
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) to maximize control and create multiple winning threats while blocking O's chances.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nO | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the top row (positions 0 and 2) and will win by playing 1 next, so I must block at 1.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nO | X | O\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has 0 and 6 (the left column) and will win by playing 3 next, so block at 3 immediately.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nO | X | O\n---------\nX | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Place at 7 to complete the column (1,4,7) and win immediately.</think>\n<move>7</move>", "role": "assistant" } ]
default
1.2
23,646.961927
0.74482
23,647.706747
{ "example_seed": 564199, "initial_board": [ "O", null, null, null, null, null, null, null, null ], "random_move_prob": 0.543638954634393 }
1
1
0
78
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to maximize control and create the most winning opportunities.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | 2\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Opponent took an edge; respond by taking a corner to maximize chances and create potential forks. Choose position 0.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nX | O | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>X already has 0 and 4; playing 8 completes the diagonal 0-4-8 and wins immediately.</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
13,268.554926
2.296209
13,270.851135
{ "example_seed": 574484, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.7941582300029303 }
1
1
0
79
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to maximize control and winning opportunities.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\n0 | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>With center already taken, a corner is the best follow-up to create multiple threats. I'll play the top-left corner.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [1, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Playing at 3 creates a fork: X would threaten to win at 5 (row 3-4-5) and at 6 (column 0-3-6). O can block only one, so this wins next turn.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nX | 1 | O\n---------\nX | X | 5\n---------\nO | 7 | O\n\nAvailable positions: [1, 5, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 5 to complete the middle row (3-4-5) and win immediately.</think>\n<move>5</move>", "role": "assistant" } ]
default
1.2
31,363.262892
1.755953
31,365.018845
{ "example_seed": 218099, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.46703431721100575 }
1
1
0
80
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center (4) is the strongest opening move: it maximizes winning lines and control of the board.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner. With center already, a corner (0) maximizes chances to create a fork and counters O in the opposite corner.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nX | 1 | 2\n---------\n3 | X | O\n---------\n6 | 7 | O\n\nAvailable positions: [1, 2, 3, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 2 to create a fork. With X at 0, 2, and 4, I threaten 1 (row 0-1-2) and 6 (diagonal 2-4-6) and O can only block one.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\nX | 1 | X\n---------\n3 | X | O\n---------\nO | 7 | O\n\nAvailable positions: [1, 3, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Position 1 completes the top row (0-1-2) for an immediate win.</think>\n<move>1</move>", "role": "assistant" } ]
default
1.2
22,933.377028
3.523111
22,936.900139
{ "example_seed": 983974, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.6182388240418648 }
1
1
0
81
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Best opening is center to maximize chances and control.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | O | 8\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Center is strong, now take a corner to maximize forks and control. Choose top-left (0).</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nX | 1 | 2\n---------\n3 | X | 5\n---------\n6 | O | O\n\nAvailable positions: [1, 2, 3, 5, 6]\n\nYour turn.", "role": "user" }, { "content": "<think>O threatens to win next by playing 6 (completing 6-7-8). Must block at 6 now; it also builds a potential diagonal threat for X (2-4-6).</think>\n<move>6</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nX | 1 | 2\n---------\n3 | X | O\n---------\nX | O | O\n\nAvailable positions: [1, 2, 3]\n\nYour turn.", "role": "user" }, { "content": "<think>Place X at 2 to complete the diagonal 2-4-6 and win immediately.</think>\n<move>2</move>", "role": "assistant" } ]
default
1.2
19,607.041121
1.081705
19,608.122826
{ "example_seed": 407687, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.5656328638652555 }
1
1
0
82
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center (4) — best opening move to maximize control and winning chances.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Opponent took a corner (6). Best reply is to take the opposite corner (2) to maximize control and avoid giving O a fork opportunity.</think>\n<move>2</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | X\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 8 to create a fork: X will then threaten 0 (0-4-8) and 5 (2-5-8), forcing O to block one and allowing X to win on the next turn.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\n0 | O | X\n---------\n3 | X | 5\n---------\nO | O | X\n\nAvailable positions: [0, 3, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 5 — completes the column 2-5-8 (X at 2 and 8), giving an immediate win.</think>\n<move>5</move>", "role": "assistant" } ]
default
1.2
24,567.173958
1.255989
24,568.429947
{ "example_seed": 112861, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.6675265290131424 }
1
1
0
83
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Opening response: taking the center (4) is the strongest reply to an opponent corner at 6 — it maximizes control and prevents easy forks.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O has two in the left column (0 and 6) and can win next by playing 3. Must block that immediate threat by taking 3.</think>\n<move>3</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nO | 1 | 2\n---------\nX | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [1, 2, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>No immediate O win. Playing 1 pairs with center (4) to create a threat on column 1 (1-4-7), forcing O to respond and keeping best chances to create a fork later.</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\nO | X | 2\n---------\nX | X | O\n---------\nO | 7 | O\n\nAvailable positions: [2, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>O has O at 6 and 8 and will win by playing 7 next. Must block immediately by taking 7.</think>\n<move>7</move>", "role": "assistant" } ]
default
1.2
41,643.834829
2.682924
41,646.517754
{ "example_seed": 219128, "initial_board": [ null, null, null, null, null, null, "O", null, null ], "random_move_prob": 0.3528598358273005 }
1
1
0
84
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Taking the center (4) is the strongest response: it gives maximum control and creates more winning lines while blocking O from using center-based threats.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\n0 | 1 | O\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O occupies opposite corners (2 and 6). If I take a corner, O can play the remaining opposite corner and create a fork. Playing a side (edge) prevents that immediate fork while keeping control. I'll play the top middle (1).</think>\n<move>1</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\n0 | X | O\n---------\n3 | X | 5\n---------\nO | O | 8\n\nAvailable positions: [0, 3, 5, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>O is threatening to win by playing 8 (making 6-7-8). I must block that immediate threat.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | X | O\n---------\n3 | X | 5\n---------\nO | O | X\n\nAvailable positions: [3, 5]\n\nYour turn.", "role": "user" }, { "content": "<think>If I play 5, O will play 3 and complete column 0 (0-3-6) and win. Playing 3 blocks that and leaves no immediate O win.</think>\n<move>3</move>", "role": "assistant" } ]
default
0.7
44,557.90782
1.601219
44,559.509039
{ "example_seed": 286258, "initial_board": [ null, null, null, null, null, null, "O", null, null ], "random_move_prob": 0.07787375343883474 }
0.5
1
0
85
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. Opponent (O) played at position 6.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Take the center to maximize control and create multiple future threats; it's the strongest response to O in a corner.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 1.\n\n0 | O | 2\n---------\n3 | X | 5\n---------\nO | 7 | 8\n\nAvailable positions: [0, 2, 3, 5, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Take a corner (0) to create the diagonal threat 0-4-8 and maximize chances for a future fork while limiting O's options.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nX | O | 2\n---------\n3 | X | O\n---------\nO | 7 | 8\n\nAvailable positions: [2, 3, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>Place X at 8 to complete the diagonal 0-4-8 and win immediately.</think>\n<move>8</move>", "role": "assistant" } ]
default
1.2
31,187.575102
1.649141
31,189.224243
{ "example_seed": 922010, "initial_board": [ null, null, null, null, null, null, "O", null, null ], "random_move_prob": 0.83474334808611 }
1
1
0
86
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center is the strongest opening (maximizes winning lines). I'll take position 4.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 0.\n\nO | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [1, 2, 3, 5, 6, 7, 8]\n\nYour turn.", "role": "user" }, { "content": "<think>With center already taken, I should take a corner to build toward a fork. Playing the opposite corner (8) to O's 0 is strong.</think>\n<move>8</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 5.\n\nO | 1 | 2\n---------\n3 | X | O\n---------\n6 | 7 | X\n\nAvailable positions: [1, 2, 3, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 6 to create a fork. With X at 4,8,6 I threaten 2 (diagonal 2-4-6) and 7 (row 6-7-8) — O cannot block both.</think>\n<move>6</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 7.\n\nO | 1 | 2\n---------\n3 | X | O\n---------\nX | O | X\n\nAvailable positions: [1, 2, 3]\n\nYour turn.", "role": "user" }, { "content": "<think>I have X at 4 and 6, and the diagonal 2-4-6 is open — playing 2 gives three in a row and wins immediately.</think>\n<move>2</move>", "role": "assistant" } ]
default
1.2
25,374.835014
1.321077
25,376.156092
{ "example_seed": 365056, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.9352355464722075 }
1
1
0
87
[ { "content": "You are playing a game of Tic-Tac-Toe as X.\nYour opponent will play as O.\n\nInitial board:\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nYour objective is to achieve three X in a row (horizontally, vertically, or diagonally) before the opponent does.\nYou can only choose one position each turn, and it must be an empty square.\n\nYou may include a short reasoning process inside <think>...</think> tags.\nYour final answer must include the position you choose inside <move>...</move> tags.\n", "role": "system" }, { "content": "Game started. You are X.\n\n0 | 1 | 2\n---------\n3 | 4 | 5\n---------\n6 | 7 | 8\n\nAvailable positions: [0, 1, 2, 3, 4, 5, 6, 7, 8]\n\nYour turn.", "role": "user" } ]
[ { "content": "<think>Center is the strongest opening: maximizes control and winning chances by creating most two-way threats.</think>\n<move>4</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 8.\n\n0 | 1 | 2\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [0, 1, 2, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Opponent took a corner (8). Best reply is to take a corner too to keep pressure and avoid giving O a fork—I'll take the opposite corner 0.</think>\n<move>0</move>", "role": "assistant" }, { "content": "Opponent (O) played at position 2.\n\nX | 1 | O\n---------\n3 | X | 5\n---------\n6 | 7 | O\n\nAvailable positions: [1, 3, 5, 6, 7]\n\nYour turn.", "role": "user" }, { "content": "<think>Play 3 to create a fork: X at 0 and 3 threatens 6, and X at 3 and 4 threatens 5. O cannot block both.</think>\n<move>3</move>", "role": "assistant" } ]
default
0.2
32,057.26099
0.710964
32,057.971954
{ "example_seed": 592500, "initial_board": [ null, null, null, null, null, null, null, null, null ], "random_move_prob": 0.11320464258889884 }
0
1
0
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