Datasets:
messages listlengths 7 79 |
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[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
[
{
"role": "system",
"content": "You are a chess grandmaster playing a live game through tools. You must call exactly one tool at a time in this order: get_current_board, get_legal_moves, then make_move. Inspect the returned FEN and legal moves before choosing the strongest legal move. Use UCI only for the m... |
End of preview. Expand in Data Studio
Chess Puzzles Tool-Use SFT
24,352 conversations of a model solving Lichess puzzles through three tools. I used them to fine-tune LFM2.5-1.2B before GRPO (write-up: manoletre.com/chess).
What's in it
- One puzzle per row, in the harness format: the model calls
get_current_board, thenget_legal_moves, writes a short chess reflection, then callsmake_move. Puzzles with several solver moves repeat that loop, with the opponent's replies in between. - Reflections from a teacher model (deepseek-v4-flash), kept only when the move at the end is the puzzle's solution.
- No overlap with my benchmark. The puzzles are split from chess-puzzles-1k by source game.
Format
Each line is {"messages": [...]} with roles system, user, assistant and tool. Tool calls use LFM2.5's tokens, e.g. <|tool_call_start|>[make_move(move="g7g8n")]<|tool_call_end|>; tool messages carry the tool's name.
What it did
SFT on this data took LFM2.5-1.2B from 0% to 100% valid tool calls and from 1.5% to 6.7% of the benchmark puzzles solved.
- Downloads last month
- 31