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Simplify SMP Reduction

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Passed Non-regression SMP STC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 232784 W: 59845 L: 59841 D: 113098
Ptnml(0-2): 289, 26459, 62934, 26379, 331
https://tests.stockfishchess.org/tests/view/68ab96bf75da51a345a5acd6

Passed Non-regression SMP LTC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 374270 W: 95978 L: 96113 D: 182179
Ptnml(0-2): 118, 38575, 109888, 38432, 122
https://tests.stockfishchess.org/tests/view/68abcf1c75da51a345a5adb6

closes https://github.com/official-stockfish/Stockfish/pull/6285

Bench: 2667107
This commit is contained in:
Shawn Xu
2025-09-02 20:41:08 +02:00
committed by Joost VandeVondele
parent 75ac6c7a06
commit f2da0ccf3f
1 changed files with 1 additions and 2 deletions
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src/search.cpp
+1 -2
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@@ -1167,8 +1167,7 @@ moves_loop: // When in check, search starts here
// These reduction adjustments have no proven non-linear scaling
r += 671; // Base reduction offset to compensate for other tweaks
r -= (threadIdx % 8) * 64;
r += 543; // Base reduction offset to compensate for other tweaks
r -= moveCount * 66;
r -= std::abs(correctionValue) / 30450;