 windfishballadandStéphane Nicolet
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78e3d2ad78
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Simplify some qsearch conditions
Use the assert which ensures that beta == alpha+1 at PVNodes
to simplify a little bit the conditions further down in the code.
passed STC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 56160 W: 14370 L: 14173 D: 27617
Ptnml(0-2): 210, 6192, 15076, 6395, 207
https://tests.stockfishchess.org/tests/view/64bc769cdc56e1650abb2e26
closes https://tests.stockfishchess.org/tests/view/64bc769cdc56e1650abb2e26
No functional change
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2023-07-24 02:09:44 +02:00 |
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windfishballadandJoost VandeVondele
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7e9b131efb
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Removed quadratic term in optimism
Remove term which is quadratic in optimism in the eval.
Simplifies and should also remove the bias towards side to move making the eval better for analysis.
STC: https://tests.stockfishchess.org/tests/view/6470a9d8c29e0d4352b0bca5
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 154432 W: 41127 L: 41040 D: 72265
Ptnml(0-2): 380, 17094, 42190, 17163, 389
LTC: https://tests.stockfishchess.org/tests/view/6471e9b3e549d9cf2fb219ef
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 127926 W: 34474 L: 34369 D: 59083
Ptnml(0-2): 43, 12505, 38776, 12582, 57
closes https://github.com/official-stockfish/Stockfish/pull/4590
Bench: 2541211
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2023-05-28 20:05:50 +02:00 |
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