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Less fail high cnt in the condition

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Passed STC:
https://tests.stockfishchess.org/tests/view/67e027538888403457d87535
LLR: 2.93 (-2.94,2.94) <0.00,2.00>
Total: 164000 W: 42535 L: 42034 D: 79431
Ptnml(0-2): 478, 19228, 42113, 19677, 504

Passed LTC:
https://tests.stockfishchess.org/tests/view/67e3c21b8888403457d87808
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 139176 W: 35500 L: 34975 D: 68701
Ptnml(0-2): 54, 15038, 38898, 15525, 73

closes https://github.com/official-stockfish/Stockfish/pull/5960

Bench: 1921404
This commit is contained in:
Daniel Samek
2025-04-02 17:52:38 +02:00
committed by Disservin
parent 3d61f932cb
commit d942e13398
2 changed files with 2 additions and 1 deletions
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AUTHORS
+1
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@@ -58,6 +58,7 @@ Daniel Axtens (daxtens)
Daniel Dugovic (ddugovic) Daniel Dugovic (ddugovic)
Daniel Monroe (Ergodice) Daniel Monroe (Ergodice)
Dan Schmidt (dfannius) Dan Schmidt (dfannius)
DanSamek
Dariusz Orzechowski (dorzechowski) Dariusz Orzechowski (dorzechowski)
David (dav1312) David (dav1312)
David Zar David Zar
src/search.cpp
+1 -1
View File
@@ -1215,7 +1215,7 @@ moves_loop: // When in check, search starts here
r += 1171 + (depth < 8) * 985; r += 1171 + (depth < 8) * 985;
// Increase reduction if next ply has a lot of fail high // Increase reduction if next ply has a lot of fail high
if ((ss + 1)->cutoffCnt > 3) if ((ss + 1)->cutoffCnt > 2)
r += 1042 + allNode * 864; r += 1042 + allNode * 864;
// For first picked move (ttMove) reduce reduction // For first picked move (ttMove) reduce reduction