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Remove quiet tt move extensions

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Passed STC:
https://tests.stockfishchess.org/tests/view/65c6934cc865510db0286e90
LLR: 2.99 (-2.94,2.94) <-1.75,0.25>
Total: 54016 W: 14065 L: 13854 D: 26097
Ptnml(0-2): 231, 6381, 13581, 6576, 239

Passed LTC:
https://tests.stockfishchess.org/tests/view/65c72b91c865510db0287a1a
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 55098 W: 13850 L: 13658 D: 27590
Ptnml(0-2): 37, 6257, 14777, 6433, 45

closes https://github.com/official-stockfish/Stockfish/pull/5049

Bench: 1027182
This commit is contained in:
Gahtan Nahdi 2024-02-10 04:00:36 +07:00 • committed by Disservin
parent 531747ee78
commit c115e5171e
1 changed files with 0 additions and 5 deletions
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5
src/search.cpp
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@ -1067,11 +1067,6 @@ moves_loop: // When in check, search starts here
extension = -1;
}
// Quiet ttMove extensions (~1 Elo)
else if (PvNode && move == ttMove && move == ss->killers[0]
&& (*contHist[0])[movedPiece][move.to_sq()] >= 4339)
extension = 1;
// Recapture extensions (~1 Elo)
else if (PvNode && move == ttMove && move.to_sq() == prevSq
&& thisThread->captureHistory[movedPiece][move.to_sq()]