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Aix-compatible Lichess database
This database is not complete yet!
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.
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