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Simplify bestValue formula

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Passed STC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 45888 W: 12051 L: 11841 D: 21996
Ptnml(0-2): 123, 5356, 11807, 5504, 154
https://tests.stockfishchess.org/tests/view/670bb89086d5ee47d953c2d8

Passed LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 51336 W: 13021 L: 12830 D: 25485
Ptnml(0-2): 34, 5594, 14227, 5773, 40
https://tests.stockfishchess.org/tests/view/670c587f86d5ee47d953c31b

closes https://github.com/official-stockfish/Stockfish/pull/5637

Bench: 1192999
This commit is contained in:
FauziAkram
2024-10-16 13:14:13 +03:00
committed by Disservin
parent 7f386d109e
commit b325b2c348
1 changed files with 1 additions and 1 deletions
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src/search.cpp
+1 -1
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@@ -1551,7 +1551,7 @@ Value Search::Worker::qsearch(Position& pos, Stack* ss, Value alpha, Value beta)
if (bestValue >= beta) if (bestValue >= beta)
{ {
if (std::abs(bestValue) < VALUE_TB_WIN_IN_MAX_PLY) if (std::abs(bestValue) < VALUE_TB_WIN_IN_MAX_PLY)
bestValue = (3 * bestValue + beta) / 4; bestValue = (bestValue + beta) / 2;
if (!ss->ttHit) if (!ss->ttHit)
ttWriter.write(posKey, value_to_tt(bestValue, ss->ply), false, BOUND_LOWER, ttWriter.write(posKey, value_to_tt(bestValue, ss->ply), false, BOUND_LOWER,
DEPTH_UNSEARCHED, Move::none(), unadjustedStaticEval, DEPTH_UNSEARCHED, Move::none(), unadjustedStaticEval,