From ffe418438d2855375bfe649c41aa6d5b9da9feba Mon Sep 17 00:00:00 2001
From: Terje <tkirstihagen@gmail.com>
Date: Sun, 15 Oct 2023 15:34:37 +0200
Subject: [PATCH] Bench: 15471568

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

diff --git a/src/search.c b/src/search.c
index 4de2519d..c07ddf6b 100644
--- a/src/search.c
+++ b/src/search.c
@@ -317,7 +317,7 @@ static int AlphaBeta(Thread *thread, Stack *ss, int alpha, int beta, Depth depth
     // Reverse Futility Pruning
     if (   depth < 7
         && eval >= beta
-        && eval - 175 * depth / (1 + improving) - (ss-1)->histScore / 400 >= beta
+        && eval - 70 * depth + 110 * improving - (ss-1)->histScore / 400 >= beta
         && (!ttMove || GetHistory(thread, ss, ttMove) > 10000))
         return eval;