Dampen eval when shuffling (#34)

xu-shawn · web-flow · commit 516353c05d9c · 2024-03-27T19:10:12.000-07:00
diff --git a/Serendipity/src/main/java/org/shawn/games/Serendipity/AlphaBeta.java b/Serendipity/src/main/java/org/shawn/games/Serendipity/AlphaBeta.java
@@ -133,8 +133,9 @@ private int pieceValue(Piece p)
 
 	public int evaluate(Board board)
 	{
-		return (Side.WHITE.equals(board.getSideToMove()) ? NNUE.evaluate(network, whiteAccumulator, blackAccumulator)
+		int v = (Side.WHITE.equals(board.getSideToMove()) ? NNUE.evaluate(network, whiteAccumulator, blackAccumulator)
 				: NNUE.evaluate(network, blackAccumulator, whiteAccumulator)) * 24;
+		return v * (200 - board.getHalfMoveCounter()) / 200;
 	}
 
 	private void sortMoves(List<Move> moves, Board board, int ply)

Original file line number	Diff line number	Diff line change
`@@ -133,8 +133,9 @@ private int pieceValue(Piece p)`
`133`	`133`
`134`	`134`	`public int evaluate(Board board)`
`135`	`135`	`{`
`136`		`- return (Side.WHITE.equals(board.getSideToMove()) ? NNUE.evaluate(network, whiteAccumulator, blackAccumulator)`
	`136`	`+ int v = (Side.WHITE.equals(board.getSideToMove()) ? NNUE.evaluate(network, whiteAccumulator, blackAccumulator)`
`137`	`137`	`: NNUE.evaluate(network, blackAccumulator, whiteAccumulator)) * 24;`
	`138`	`+ return v * (200 - board.getHalfMoveCounter()) / 200;`
`138`	`139`	`}`
`139`	`140`
`140`	`141`	`private void sortMoves(List<Move> moves, Board board, int ply)`