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Merged
merged 14 commits into from
Apr 16, 2025
Merged

🔍 Non-pawn correction history/corrhist #1677

merged 14 commits into from
Apr 16, 2025

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Test  | search/nonpawn-corrhist-4-reducedeffect
Elo   | 7.71 +- 4.16 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | 2.89 (-2.25, 2.89) [0.00, 3.00]
Games | 11174: +3092 -2844 =5238
Penta | [232, 1263, 2366, 1477, 249]
https://openbench.lynx-chess.com/test/1615/

Note that before the x3 part of bonus / (scale * 3) this failed spectacularly

Test  | search/nonpawn-corrhist-base
Elo   | -38.10 +- 11.97 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=32MB
LLR   | -2.25 (-2.25, 2.89) [0.00, 3.00]
Games | 1694: +399 -584 =711
Penta | [86, 245, 322, 156, 38]
https://openbench.lynx-chess.com/test/1612/

diff: https://github.com/lynx-chess/Lynx/compare/9633633c438c7b21e675ff64f7f944c33cd1c29c..9678fc46b644003a95bcf54d4d78303887680478

@eduherminio eduherminio merged commit a1932cd into main Apr 16, 2025
27 checks passed
@eduherminio eduherminio deleted the search/nonpawn-corrhist-4-reducedeffect branch April 16, 2025 20:29
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