From ee35a51c40eff7fb237f217d87d9ca7c73874924 Mon Sep 17 00:00:00 2001
From: Shawn Xu <xu107288696@gmail.com>
Date: Wed, 26 Mar 2025 16:19:43 -0500
Subject: [PATCH] Remove extra division

closes https://github.com/official-stockfish/Stockfish/pull/5943

No functional change
---
 src/search.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/search.cpp b/src/search.cpp
index 0c543c30..8e8e9353 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1444,12 +1444,12 @@ moves_loop:  // When in check, search starts here
     // Bonus for prior quiet countermove that caused the fail low
     else if (!priorCapture && prevSq != SQ_NONE)
     {
-        int bonusScale = (std::clamp(160 * (depth - 4) / 2, 0, 200) + 34 * !allNode
-                          + 164 * ((ss - 1)->moveCount > 8)
-                          + 141 * (!ss->inCheck && bestValue <= ss->staticEval - 100)
-                          + 121 * (!(ss - 1)->inCheck && bestValue <= -(ss - 1)->staticEval - 75)
-                          + 86 * ((ss - 1)->isTTMove) + 86 * (ss->cutoffCnt <= 3)
-                          + std::min(-(ss - 1)->statScore / 112, 303));
+        int bonusScale =
+          (std::clamp(80 * depth - 320, 0, 200) + 34 * !allNode + 164 * ((ss - 1)->moveCount > 8)
+           + 141 * (!ss->inCheck && bestValue <= ss->staticEval - 100)
+           + 121 * (!(ss - 1)->inCheck && bestValue <= -(ss - 1)->staticEval - 75)
+           + 86 * ((ss - 1)->isTTMove) + 86 * (ss->cutoffCnt <= 3)
+           + std::min(-(ss - 1)->statScore / 112, 303));
 
         bonusScale = std::max(bonusScale, 0);