From d8e49cdbdd8076d85b137510ee5637e36db1074f Mon Sep 17 00:00:00 2001
From: Nonlinear2 <131959792+Nonlinear2@users.noreply.github.com>
Date: Mon, 9 Sep 2024 22:32:00 +0200
Subject: [PATCH] Remove the `moveCount` increase in the LMR condition.

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
---
 src/search.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/search.cpp b/src/search.cpp
index d26f43db..ac0b9c6d 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -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