From 793110ca194fd6e8c5933d175e9ad7b523a67d67 Mon Sep 17 00:00:00 2001
From: FauziAkram <fauzi.dabat@hotmail.com>
Date: Fri, 11 Jul 2025 13:36:15 +0300
Subject: [PATCH] Remove !ttData.move condition from cutNode reduction

Passed STC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 118080 W: 30427 L: 30298 D: 57355
Ptnml(0-2): 290, 13880, 30561, 14029, 280
https://tests.stockfishchess.org/tests/view/6853f9bc038630d25f468670

Passed LTC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 232272 W: 59187 L: 59182 D: 113903
Ptnml(0-2): 111, 25430, 65014, 25505, 76
https://tests.stockfishchess.org/tests/view/68585c40a596a06817bb922e

closes https://github.com/official-stockfish/Stockfish/pull/6157

bench: 2227361
---
 src/search.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/search.cpp b/src/search.cpp
index fae3fc39f..6c4d125b2 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1189,7 +1189,7 @@ moves_loop:  // When in check, search starts here
 
         // Increase reduction for cut nodes
         if (cutNode)
-            r += 2864 + 966 * !ttData.move;
+            r += 3000;
 
         // Increase reduction if ttMove is a capture
         if (ttCapture)