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Code Issues Releases Wiki Activity

Refactor bestvalue adjustment in qsearch

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closes https://github.com/official-stockfish/Stockfish/pull/4935

No functional change
This commit is contained in:
FauziAkram 2023-12-26 20:27:45 +03:00 • committed by Disservin
parent f388e41809
commit bab1cc300c
2 changed files with 3 additions and 3 deletions
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2
AUTHORS
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@ -72,7 +72,7 @@ Fabian Beuke (madnight)
Fabian Fichter (ianfab)
Fanael Linithien (Fanael)
fanon
Fauzi Akram Dabat (FauziAkram)
Fauzi Akram Dabat (fauzi2)
Felix Wittmann
gamander
Gabriele Lombardo (gabe)

4
src/search.cpp
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@ -1616,8 +1616,8 @@ Value qsearch(Position& pos, Stack* ss, Value alpha, Value beta, Depth depth) {
return mated_in(ss->ply); // Plies to mate from the root
}
if (std::abs(bestValue) < VALUE_TB_WIN_IN_MAX_PLY)
bestValue = bestValue >= beta ? (3 * bestValue + beta) / 4 : bestValue;
if (std::abs(bestValue) < VALUE_TB_WIN_IN_MAX_PLY && bestValue >= beta)
bestValue = (3 * bestValue + beta) / 4;
// Save gathered info in transposition table
tte->save(posKey, value_to_tt(bestValue, ss->ply), pvHit,