removed promotion bonus from MvvLva - it didn't have enough positive effect

lithander · lithander · commit 4499ec619873 · 2021-06-30T23:49:34.000+02:00
diff --git a/MinimalChess/MoveCollection.cs b/MinimalChess/MoveCollection.cs
@@ -66,7 +66,7 @@ int Score(Move move)
             {
                 Piece victim = context[move.ToSquare];
                 Piece attacker = context[move.FromSquare];
-                return Pieces.MaxOrder * Pieces.Order(victim) - Pieces.Order(attacker) + Pieces.Order(move.Promotion);
+                return Pieces.MaxOrder * Pieces.Order(victim) - Pieces.Order(attacker);
             }
             Sort((a, b) => Score(b).CompareTo(Score(a)));
         }

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,7 @@ int Score(Move move)`
`66`	`66`	`{`
`67`	`67`	`Piece victim = context[move.ToSquare];`
`68`	`68`	`Piece attacker = context[move.FromSquare];`
`69`		`- return Pieces.MaxOrder * Pieces.Order(victim) - Pieces.Order(attacker) + Pieces.Order(move.Promotion);`
	`69`	`+ return Pieces.MaxOrder * Pieces.Order(victim) - Pieces.Order(attacker);`
`70`	`70`	`}`
`71`	`71`	`Sort((a, b) => Score(b).CompareTo(Score(a)));`
`72`	`72`	`}`