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🔍 Always predict cutnodes in ZWS with reduction, even if the reduction is 0 #1304

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merged 4 commits into from
Jan 4, 2025

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@eduherminio eduherminio commented Dec 27, 2024

Test  | search/cutnode-fix
Elo   | 1.77  - 1.43 (95%)
SPRT  | 8.0 0.08s Threads=1 Hash=32MB
LLR   | 2.91 (-2.25, 2.89) [0.00, 3.00]
Games | 92754:  25712 -25240 =41802
Penta | [1971, 10747, 20605, 10947, 2107]
https://openbench.lynx-chess.com/test/1137/

LTC

Test  | search/cutnode-fix
Elo   | 1.64  - 2.70 (95%)
SPRT  | 40.0 0.40s Threads=1 Hash=128MB
LLR   | 2.90 (-2.25, 2.89) [-3.00, 1.00]
Games | 23782:  6050 -5938 =11794
Penta | [383, 2850, 5322, 2944, 392]
https://openbench.lynx-chess.com/test/1163/

@eduherminio eduherminio marked this pull request as ready for review January 1, 2025 22:47
@eduherminio eduherminio enabled auto-merge (squash) January 4, 2025 11:21
@eduherminio eduherminio disabled auto-merge January 4, 2025 11:21
@eduherminio eduherminio enabled auto-merge (squash) January 4, 2025 11:21
@eduherminio eduherminio merged commit 8cc712d into main Jan 4, 2025
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@eduherminio eduherminio deleted the search/cutnode-fix branch January 4, 2025 11:27
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