From 901ad7e7eed1d7166cc5a3b30da78001a5e686a7 Mon Sep 17 00:00:00 2001
From: Shawn Xu <xu107288696@gmail.com>
Date: Sat, 23 Aug 2025 06:29:45 -0700
Subject: [PATCH] Simplify quiet move streak

Passed Non-regression STC:
LLR: 2.93 (-2.94,2.94) <-1.75,0.25>
Total: 46272 W: 12076 L: 11866 D: 22330
Ptnml(0-2): 140, 5407, 11860, 5561, 168
https://tests.stockfishchess.org/tests/view/68a9c26575da51a345a5a6a2

Passed Non-regression LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 140442 W: 35984 L: 35886 D: 68572
Ptnml(0-2): 72, 15333, 39305, 15447, 64
https://tests.stockfishchess.org/tests/view/68aa245e75da51a345a5a80d

closes https://github.com/official-stockfish/Stockfish/pull/6258

Bench: 2931171
---
 src/search.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/search.cpp b/src/search.cpp
index 1396a817d..6a17e1624 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1006,7 +1006,7 @@ moves_loop:  // When in check, search starts here
         movedPiece = pos.moved_piece(move);
         givesCheck = pos.gives_check(move);
 
-        (ss + 1)->quietMoveStreak = (!capture && !givesCheck) ? (ss->quietMoveStreak + 1) : 0;
+        (ss + 1)->quietMoveStreak = capture ? 0 : (ss->quietMoveStreak + 1);
 
         // Calculate new depth for this move
         newDepth = depth - 1;