From 56444ce1f7e2204d69c35f5826f74130adc77b2c Mon Sep 17 00:00:00 2001
From: peregrineshahin <41402573+peregrineshahin@users.noreply.github.com>
Date: Fri, 20 Sep 2024 14:09:03 +0300
Subject: [PATCH] Push expected cutting late moves up in the move ordering.

since the passing of the LMR verification is coming from a relatively late move
this means we have wasted some time trying/picking other moves, and it would
make sense to push it up in the move ordering for future positions not to be as
late.

Passed STC:
https://tests.stockfishchess.org/tests/view/66f0f69186d5ee47d953b2aa
LLR: 2.93 (-2.94,2.94) <0.00,2.00>
Total: 34144 W: 9024 L: 8709 D: 16411
Ptnml(0-2): 137, 3875, 8732, 4192, 136

Passed LTC:
https://tests.stockfishchess.org/tests/view/66f1d84a86d5ee47d953b325
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 62808 W: 16054 L: 15684 D: 31070
Ptnml(0-2): 24, 6725, 17555, 7057, 43

closes https://github.com/official-stockfish/Stockfish/pull/5608

bench: 1452807
---
 src/search.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/search.cpp b/src/search.cpp
index d87a6b9a..7d84bd38 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1201,8 +1201,8 @@ moves_loop:  // When in check, search starts here
                     value = -search<NonPV>(pos, ss + 1, -(alpha + 1), -alpha, newDepth, !cutNode);
 
                 // Post LMR continuation history updates (~1 Elo)
-                int bonus = value >= beta ? stat_bonus(newDepth) : -stat_malus(newDepth);
-
+                int bonus = value >= beta ? (1 + 2 * (moveCount > depth)) * stat_bonus(newDepth)
+                                          : -stat_malus(newDepth);
                 update_continuation_histories(ss, movedPiece, move.to_sq(), bonus);
             }
         }