thomasd1/aix-lichess-database

Aix-compatible Lichess database This dataset contains the Lichess database of 7+ billion chess games, but in a format queryable using Aix, with the aixchess extension for DuckDB. Three compression levels (Low, Medium, and High) are offered for the chess game encoding, enabling a trade-off between decoding speed and size. The Parquet files themselves are all zstd-compressed at level 19. Generated using pgn-to-aix. See my blog post for more details. Example DuckDB commands:… See the full description on the dataset page: https://huggingface.co/datasets/thomasd1/aix-lichess-database.