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Remove bonus for killers.

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Passed non-regression STC:
LLR: 2.94 (-2.94,2.94) {-1.25,0.25}
Total: 14712 W: 1416 L: 1315 D: 11981
Ptnml(0-2): 59, 1029, 5082, 1124, 62
https://tests.stockfishchess.org/tests/view/5fbfa31f67cbf42301d6b36e

Passed non-regression LTC:
LLR: 2.95 (-2.94,2.94) {-0.75,0.25}
Total: 27536 W: 1099 L: 1044 D: 25393
Ptnml(0-2): 11, 929, 11838, 974, 16
https://tests.stockfishchess.org/tests/view/5fbfac9167cbf42301d6b371

closes https://github.com/official-stockfish/Stockfish/pull/3241

Bench: 3887644
This commit is contained in:
lonfom169
2020-11-26 09:40:54 -03:00
committed by Joost VandeVondele
parent d6d6972a66
commit 66da1e802c
1 changed files with 0 additions and 3 deletions
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3
src/search.cpp
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@@ -1257,9 +1257,6 @@ moves_loop: // When in check, search starts from here
int bonus = value > alpha ? stat_bonus(newDepth)
: -stat_bonus(newDepth);
if (move == ss->killers[0])
bonus += bonus / 4;
update_continuation_histories(ss, movedPiece, to_sq(move), bonus);
}
}