arindam2025/chess-puzzles

Dataset Card for Lichess Puzzles Dataset Description 5,600,086 chess puzzles, rated and tagged. See them in action on Lichess. This dataset is updated monthly, and was last updated on December 17th, 2025. 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/arindam2025/chess-puzzles.