From 929ac76034d252f8a8014564b09a27108df40a29 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eduardo=20C=C3=A1ceres?=
 <eduardo.caceresdelacalle@gmail.com>
Date: Sun, 5 Jan 2025 19:05:05 +0100
Subject: [PATCH] Remove PieceAttackedByPawnPenalty

---
 src/Lynx/Model/Position.cs | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/src/Lynx/Model/Position.cs b/src/Lynx/Model/Position.cs
index d3c71f00d..22f001212 100644
--- a/src/Lynx/Model/Position.cs
+++ b/src/Lynx/Model/Position.cs
@@ -482,16 +482,6 @@ public bool WasProduceByAValidMove()
             packedScore -= BishopPairBonus;
         }
 
-        // Pieces attacked by pawns bonus
-        packedScore += PieceAttackedByPawnPenalty
-            * ((blackPawnAttacks & OccupancyBitBoards[(int)Side.White] /* & (~whitePawns) */).CountBits()
-                - (whitePawnAttacks & OccupancyBitBoards[(int)Side.Black] /* & (~blackPawns) */).CountBits());
-
-        if (gamePhase > MaxPhase)    // Early promotions
-        {
-            gamePhase = MaxPhase;
-        }
-
         int totalPawnsCount = whitePawns.CountBits() + blackPawns.CountBits();
 
         // Pawnless endgames with few pieces