without undo

src/backend/Board.java

@@ -352,26 +352,7 @@ public class Board {
 	}
 
 	public void undoLastMove() {
-	    if (moveHistory.isEmpty()) return;
 	    
-	    Move lastMove = moveHistory.remove(moveHistory.size() - 1);
-	    Piece movedPiece = lastMove.getPieceMoved();
-
-	    // Move the piece back to its original position
-	    movedPiece.setPosition(lastMove.getFromX(), lastMove.getFromY());
-
-	    // Restore the captured piece if any
-	    if (lastMove.getPieceCaptured() != null) {
-	        pieces.add(lastMove.getPieceCaptured());
-	    }
-
-	    // Switch turn and decrease turn count
-	    turnWhite = !turnWhite;
-	    turnNumber--;
-
-	    // Clear selection and highlights
-	    selected = null;
-	    highlighted.clear();
 	}