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Replace depth increase condition with !opponentWorsening

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Passed simplification STC
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 220544 W: 57417 L: 57399 D: 105728
Ptnml(0-2): 816, 26554, 55540, 26520, 842
https://tests.stockfishchess.org/tests/view/678970e38082388fa0cbfe02

Passed simplification LTC
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 132600 W: 33868 L: 33760 D: 64972
Ptnml(0-2): 126, 14770, 36390, 14898, 116
https://tests.stockfishchess.org/tests/view/678accabc00c743bc9e9fc7f

closes https://github.com/official-stockfish/Stockfish/pull/5798

bench 1632964
This commit is contained in:
Joost VandeVondele
2025-01-18 21:32:18 +01:00
parent f00d91f8ac
commit 8e3e22b3d4
1 changed files with 1 additions and 3 deletions
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4
src/search.cpp
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@@ -781,10 +781,8 @@ Value Search::Worker::search(
opponentWorsening = ss->staticEval + (ss - 1)->staticEval > 2;
if (priorReduction >= 3 && ss->staticEval + (ss - 1)->staticEval < 0)
{
if (priorReduction >= 3 && !opponentWorsening)
depth++;
}
// Step 7. Razoring (~1 Elo)
// If eval is really low, skip search entirely and return the qsearch value.