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Simplifying the malus for putting piece en prise formula

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Simplifying the malus for putting piece en prise
formula by merging the minor pieces and pawns
(removing the pawn exclusion from the formula).

Passed STC:
https://tests.stockfishchess.org/tests/view/66578d9c6b0e318cefa8d441
LLR: 2.99 (-2.94,2.94) <-1.75,0.25>
Total: 314272 W: 80705 L: 80786 D: 152781
Ptnml(0-2): 873, 37577, 80366, 37398, 922

Passed LTC (before rebasing):
https://tests.stockfishchess.org/tests/view/6657b5ee6b0e318cefa8d6ab
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 117000 W: 29447 L: 29324 D: 58229
Ptnml(0-2): 47, 12877, 32535, 12988, 53

Passed LTC (also after rebasing):
https://tests.stockfishchess.org/tests/view/6658803d6b0e318cefa8fd99
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 244992 W: 61807 L: 61814 D: 121371
Ptnml(0-2): 125, 27420, 67414, 27411, 126

closes https://github.com/official-stockfish/Stockfish/pull/5316

Bench: 1484840
This commit is contained in:
FauziAkram 2024-05-30 20:44:21 +03:00 • committed by Disservin
parent b280d2f065
commit 02eae52833
1 changed files with 1 additions and 2 deletions
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3
src/movepick.cpp
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@ -199,8 +199,7 @@ void MovePicker::score() {
// malus for putting piece en prise
m.value -= (pt == QUEEN ? bool(to & threatenedByRook) * 49000
: pt == ROOK ? bool(to & threatenedByMinor) * 24335
: pt != PAWN ? bool(to & threatenedByPawn) * 14950
: 0);
: bool(to & threatenedByPawn) * 14900);
}
else // Type == EVASIONS