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Remove the moveCount increase in the LMR condition.

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Passed non-regression STC:
LLR: 2.93 (-2.94,2.94) <-1.75,0.25>
Total: 87104 W: 22630 L: 22464 D: 42010
Ptnml(0-2): 316, 10295, 22132, 10525, 284
https://tests.stockfishchess.org/tests/view/66dccd00dc53972b68218c60

Passed non-regression LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 94050 W: 23869 L: 23722 D: 46459
Ptnml(0-2): 49, 10400, 25985, 10537, 54
https://tests.stockfishchess.org/tests/view/66dd69c7dc53972b68218ca5

closes https://github.com/official-stockfish/Stockfish/pull/5582

Bench: 1281840
This commit is contained in:
Nonlinear2 2024-09-09 22:32:00 +02:00 • committed by Disservin
parent 6de2587236
commit d8e49cdbdd
1 changed files with 1 additions and 1 deletions
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2
src/search.cpp
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@ -1159,7 +1159,7 @@ moves_loop: // When in check, search starts here
r -= ss->statScore / 10898;
// Step 17. Late moves reduction / extension (LMR, ~117 Elo)
if (depth >= 2 && moveCount > 1 + (rootNode && depth < 10))
if (depth >= 2 && moveCount > 1)
{
// In general we want to cap the LMR depth search at newDepth, but when
// reduction is negative, we allow this move a limited search extension