do more tt cutoffs in case of exact bound. #4114
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PikaCat-OuO
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Oct 7, 2022
The idea is that these TT entries are considered move valuable in TT replacement scheme - they are always overwriting other entries. So it makes sence for them to produce more aggressive cutoffs. passed STC https://tests.stockfishchess.org/tests/view/62e4d407b383a712b1385410 LLR: 2.95 (-2.94,2.94) <0.00,2.50> Total: 96632 W: 26045 L: 25659 D: 44928 Ptnml(0-2): 434, 10635, 25770, 11065, 412 passed LTC https://tests.stockfishchess.org/tests/view/62e523e2b383a712b1386193 LLR: 2.94 (-2.94,2.94) <0.50,3.00> Total: 77960 W: 21363 L: 20989 D: 35608 Ptnml(0-2): 190, 7591, 23009, 8035, 155 closes official-stockfish/Stockfish#4114 bench 5820568 (cherry picked from commit 582c88e)
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Idea is that this tt entries are considered move valuable in tt replacement scheme - they are always overwriting other entries. So it makes sence for them to produce more aggressive cutoffs.
passed STC
https://tests.stockfishchess.org/tests/view/62e4d407b383a712b1385410
LLR: 2.95 (-2.94,2.94) <0.00,2.50>
Total: 96632 W: 26045 L: 25659 D: 44928
Ptnml(0-2): 434, 10635, 25770, 11065, 412
passed LTC
https://tests.stockfishchess.org/tests/view/62e523e2b383a712b1386193
LLR: 2.94 (-2.94,2.94) <0.50,3.00>
Total: 77960 W: 21363 L: 20989 D: 35608
Ptnml(0-2): 190, 7591, 23009, 8035, 155
bench 5912001