A compact binary re-encoding of the Lichess monthly database for standard rated games, covering 161 consecutive months (January 2013 through May 2026), the full Lichess standard archive at time of publication. Designed for training sequence models on chess games: every move is one 16-bit token, every game is a variable-length sequence of tokens, and per-game metadata lives in Parquet alongside.
Source PGNs… See the full description on the dataset page:
https://huggingface.co/datasets/Alfredvc/chess-autocomplete-lichess.