!! 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: KJE-98
Date: Sun Apr 17 21:38:05 2022 +0200
Timestamp: 1650224285
Decrease LMR at PV nodes with low depth.
This patch lessens the Late Move Reduction at PV nodes with low depth. Previously the affect of depth on LMR was independant of nodeType. The idea behind this patch is that at PV nodes, LMR at low depth is will miss out on potential alpha-raising moves.
Passed STC:
https://tests.stockfishchess.org/tests/view/625aa867d3367522c4b8965c LLR: 2.93 (-2.94,2.94) <0.00,2.50>
Total: 19360 W: 5252 L: 5006 D: 9102
Elo +4.41 
Ptnml(0-2): 79, 2113, 5069, 2321, 98
Passed LTC:
https://tests.stockfishchess.org/tests/view/625ae844d3367522c4b8a009 LLR: 2.94 (-2.94,2.94) <0.50,3.00>
Total: 39264 W: 10636 L: 10357 D: 18271
Elo +2.47 Ptnml(0-2): 18, 3928, 11473, 4183, 30
closes
https://github.com/official-stockfish/Stockfish/pull/3985 bench: 8129754
see source
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