!! latest version !!Windows x64 for Haswell CPUsWindows x64 for modern computers + AVX2Windows x64 for modern computersWindows x64 + SSSE3Windows x64Linux x64 for Haswell CPUsLinux x64 for modern computers + AVX2Linux x64 for modern computersLinux x64 + SSSE3Linux x64Author: Michael Chaly
Date: Mon Feb 7 17:30:35 2022 +0100
Timestamp: 1644251435
Do less depth reduction in null move pruning for complex positions
This patch makes us reduce less depth in null move pruning if complexity is high enough.
Thus, null move pruning now depends in two distinct ways on complexity,
while being the only search heuristic that exploits complexity so far.
passed STC
https://tests.stockfishchess.org/tests/view/61fde60fd508ec6a1c9f7754 LLR: 2.94 (-2.94,2.94) <0.00,2.50>
Total: 170000 W: 45555 L: 45027 D: 79418
Elo +1.08Ptnml(0-2): 760, 19352, 44359, 19658, 871
passed LTC
https://tests.stockfishchess.org/tests/view/61fe91febf46cb834cbd5c90 LLR: 2.96 (-2.94,2.94) <0.50,3.00>
Total: 145272 W: 39182 L: 38651 D: 67439
Elo +1.27Ptnml(0-2): 127, 14864, 42157, 15327, 161
closes
https://github.com/official-stockfish/Stockfish/pull/3923 bench 4461945
see source
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