avewright/endgame-dataset
avewright/endgame-dataset 6–13 piece positions with official Stockfish 19 MultiPV soft targets. SF vs SF games start from Lichess ECO, fast-forward (capture-biased) until the piece window, then label. 300,017 rows. Source id 4. Vocab compact (1968). Filter Keep only boards with 6 ≤ n_pieces ≤ 13 Stop the game below 6 pieces (Syzygy territory) split=1 is a ~5% holdout. Honor split. ECO starts: 7,852. Teacher Stockfish 19 tag sf_19 (``) Full… See the full description on the dataset page: https://huggingface.co/datasets/avewright/endgame-dataset.
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