Refactor root history into low ply history. #5614
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clang-format 18 needs to be run on this PR. (execution 11160440456 / attempt 1) |
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The color-dimension is not needed in the lowPlyHistory, it can be simplified away (the ply dimension is sufficient) P.S.: Now I saw its has already been noticed by another guy on discord. sorry for the noise |
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I think you meant guy :) |
removing colour
removing colour
removing colour
adding a comment
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This patch changes root history to low ply history - butterfly history for plies < 4.
Doubles weight of this history for root, latter plies have lesser effect.
Passed STC:
https://tests.stockfishchess.org/tests/view/66f77d2386d5ee47d953b65d
LLR: 2.94 (-2.94,2.94) <0.00,2.00>
Total: 180992 W: 47362 L: 46830 D: 86800
Ptnml(0-2): 554, 21499, 45928, 21891, 624
Passed LTC:
https://tests.stockfishchess.org/tests/view/66fb557986d5ee47d953b8e5
LLR: 2.95 (-2.94,2.94) <0.50,2.50>
Total: 42462 W: 11013 L: 10682 D: 20767
Ptnml(0-2): 33, 4518, 11795, 4855, 30
bench 1498677