From 1047f844d13ba890463c0eaf337b4fef613c2725 Mon Sep 17 00:00:00 2001
From: Daniel Monroe <github.com@danielmonroe.net>
Date: Sun, 28 Dec 2025 14:52:56 +0100
Subject: [PATCH] Simplify doDeeperSearch

Passed simplification STC
LLR: 2.93 (-2.94,2.94) <-1.75,0.25>
Total: 92096 W: 23888 L: 23728 D: 44480
Ptnml(0-2): 336, 10796, 23608, 10988, 320
https://tests.stockfishchess.org/tests/view/694b6b9d572093c1986d6ae0

Passed simplification LTC
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 50064 W: 12789 L: 12598 D: 24677
Ptnml(0-2): 24, 5350, 14103, 5521, 34
https://tests.stockfishchess.org/tests/view/694d49aa572093c1986d7021

closes https://github.com/official-stockfish/Stockfish/pull/6493

Bench: 2494221
---
 src/search.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/search.cpp b/src/search.cpp
index 8ac58fbab..41bbcd6d3 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1242,7 +1242,7 @@ moves_loop:  // When in check, search starts here
             {
                 // Adjust full-depth search based on LMR results - if the result was
                 // good enough search deeper, if it was bad enough search shallower.
-                const bool doDeeperSearch    = d < newDepth && value > (bestValue + newDepth + 44);
+                const bool doDeeperSearch    = d < newDepth && value > bestValue + 50;
                 const bool doShallowerSearch = value < bestValue + 9;
 
                 newDepth += doDeeperSearch - doShallowerSearch;