From 318c948c4d3dfdd0ff9537ea328ac2e1de72c870 Mon Sep 17 00:00:00 2001
From: Shawn Xu <xu107288696@gmail.com>
Date: Fri, 27 Jun 2025 21:30:47 -0700
Subject: [PATCH] Remove non-functional low-ply history fill

lowPlyHistory is always cleared at the start of `iterative_deepening`, so clearing it here is non-functional.

closes https://github.com/official-stockfish/Stockfish/pull/6144

No functional change
---
 src/search.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/search.cpp b/src/search.cpp
index 820bc8cd..a82b4edf 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -536,7 +536,6 @@ void Search::Worker::undo_null_move(Position& pos) { pos.undo_null_move(); }
 // Reset histories, usually before a new game
 void Search::Worker::clear() {
     mainHistory.fill(67);
-    lowPlyHistory.fill(107);
     captureHistory.fill(-688);
     pawnHistory.fill(-1287);
     pawnCorrectionHistory.fill(5);