Dataset · Hugging Face

avewright/endgame-dataset

Name: endgame-dataset
Creator: avewright
License: mit
Keywords: license:mit, size_categories:100K<n<1M, format:parquet, modality:tabular, modality:text, modality:timeseries, library:datasets, library:dask, library:polars, library:mlcroissant, region:us, chess, stockfish-19, soft-labels, multipv

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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Author / organization	avewright
License (as declared)	mit
Downloads	371 (as reported by Hugging Face)
Likes	0
Created	13 September 2026
Last updated at source	13 September 2026

chessstockfish-19soft-labelsmultipvendgame

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