Include bishops

lynx-chess · Nov 22, 2024 · 3269090 · 3269090
1 parent 735f4ba
commit 3269090
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Showing 3 changed files with 2,936 additions and 2,935 deletions.
diff --git a/...Lynx/Generated/Lynx.Generator/Lynx.Generator.GeneratedPackGenerator/EvaluationParams.g.cs b/...Lynx/Generated/Lynx.Generator/Lynx.Generator.GeneratedPackGenerator/EvaluationParams.g.cs
@@ -33,9 +33,9 @@ static partial class EvaluationParams
     public const int KingShieldBonus = -196585;
 
     /// <summary>
-    /// <see cref="Utils.Pack(30, 72)"/>
+    /// <see cref="Utils.Pack(30, 71)"/>
     /// </summary>
-    public const int BishopPairBonus = 4718622;
+    public const int BishopPairBonus = 4653086;
 
     /// <summary>
     /// <see cref="Utils.Pack(12, 15)"/>
@@ -48,8 +48,8 @@ static partial class EvaluationParams
     public const int PieceAttackedByPawnPenalty = -2162735;
 
     /// <summary>
-    /// <see cref="Utils.Pack(55, 94)"/>
+    /// <see cref="Utils.Pack(43, 58)"/>
     /// </summary>
-    public const int KnightForkBounus = 6160439;
+    public const int KnightForkBounus = 3801131;
 
 }
diff --git a/src/Lynx/Model/Position.cs b/src/Lynx/Model/Position.cs
@@ -737,7 +737,8 @@ private int KnightAdditionalEvaluation(int squareIndex, int pieceSide, int oppos
         var offset = Utils.PieceOffset(pieceSide);
         var majorPieces = PieceBitBoards[(int)Piece.k - offset] |
                           PieceBitBoards[(int)Piece.q - offset] |
-                          PieceBitBoards[(int)Piece.r - offset];
+                          PieceBitBoards[(int)Piece.r - offset] |
+                          PieceBitBoards[(int)Piece.b - offset];
 
         var enemyPiecesAttackedCount = (attacks & majorPieces).CountBits();