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Cleanup qsearch continuation histories

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Only (ss-1) and (ss-2) are used in qsearch.

closes https://github.com/official-stockfish/Stockfish/pull/4828

No functional change
This commit is contained in:
Shahin M. Shahin
2023-10-14 18:08:51 +03:00
committed by Joost VandeVondele
parent edb4ab924f
commit 057046cc9a
1 changed files with 1 additions and 3 deletions
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4
src/search.cpp
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@@ -1506,9 +1506,7 @@ moves_loop: // When in check, search starts here
futilityBase = std::min(ss->staticEval, bestValue) + 200;
}
const PieceToHistory* contHist[] = { (ss-1)->continuationHistory, (ss-2)->continuationHistory,
(ss-3)->continuationHistory, (ss-4)->continuationHistory,
nullptr , (ss-6)->continuationHistory };
const PieceToHistory* contHist[] = {(ss-1)->continuationHistory, (ss-2)->continuationHistory};
// Initialize a MovePicker object for the current position, and prepare
// to search the moves. Because the depth is <= 0 here, only captures,