Consistent weights for histories #5664
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bench 1404779
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clang-format 18 needs to be run on this PR. (execution 11633878773 / attempt 1) |
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This simplification sets all the continuation history weights in quiet move ordering to 1. It also doubles the weight of the main butterfly history, inspired by a recent tune.
Passed non-regression STC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 33920 W: 8956 L: 8730 D: 16234
Ptnml(0-2): 115, 3920, 8693, 4088, 144
https://tests.stockfishchess.org/tests/view/671b2e5f86d5ee47d953ce90
Passed non-regression LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 61338 W: 15590 L: 15411 D: 30337
Ptnml(0-2): 29, 6658, 17133, 6803, 46
https://tests.stockfishchess.org/tests/view/671bdbf586d5ee47d953cef8