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lynx-chess / Lynx

Chess Engine, written in C#
https://lichess.org/@/Lynx_BOT
MIT License
47 stars 4 forks source link

Eval/psqt custom bucket scheme 15 24 buckets #903

Closed eduherminio closed 3 months ago

eduherminio commented 3 months ago 
    public static readonly int[] PSQTBucketLayout =
    [
        20, 20, 21, 21, 22, 22, 23, 23,
        20, 20, 21, 21, 22, 22, 23, 23,
        16, 16, 17, 17, 18, 18, 19, 19,
        16, 16, 17, 17, 18, 18, 19, 19,
        8, 9, 10, 11, 12, 13, 14, 15,
        8, 9, 10, 11, 12, 13, 14, 15,
        8, 9, 10, 11, 12, 13, 14, 15,
        0, 1, 2, 3, 4, 5, 6, 7, //
    ];
Test  | eval/psqt-custom-bucket-scheme-15-24-buckets
Elo   | -6.70 +- 5.30 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | -2.27 (-2.25, 2.89) [0.00, 3.00]
Games | 8400: +2488 -2650 =3262
Penta | [298, 1043, 1665, 911, 283]
https://openbench.lynx-chess.com/test/574/