Dataset · Hugging Face

Lichess/chess-puzzles

Name: chess-puzzles
Creator: Lichess
License: cc0-1.0
Keywords: license:cc0-1.0, size_categories:1M<n<10M, format:parquet, modality:tabular, modality:text, library:datasets, library:dask, library:polars, library:mlcroissant, region:us, chess, lichess, puzzles

Dataset Card for Lichess Puzzles Dataset Description 6,157,341 puzzles, rated and tagged. See them in action on Lichess. This dataset is updated monthly, and was last updated on October 7th, 2026. Dataset Creation Generating the initial dataset chess puzzles took more than 50 years of CPU time. We went through 300,000,000 analyzed games from the Lichess database, and re-analyzed interesting positions with Stockfish 12/13/14/15 NNUE at 40… See the full description on the dataset page: https://huggingface.co/datasets/Lichess/chess-puzzles.

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Author / organization	Lichess
License (as declared)	cc0-1.0
Downloads	2.6K (as reported by Hugging Face)
Likes	43
Created	19 September 2024
Last updated at source	7 October 2026

chesslichesspuzzles

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