Undo last move works !!!!!implementation of the method getLastMove in

userTouch + method modified to save the current state

src/backend/Board.java

@@ -187,6 +187,8 @@ public class Board {
 	        System.out.println("Invalid move — not in highlighted squares.");
 	        return;
 	    }
+	    // store the current state before making a move
+	    getLastMove();
 	    
 	    //store for castling
 	    int originalX = selectedPiece.getX();
@@ -316,11 +318,10 @@ public class Board {
 	    return false;
 	}
 
-	public void getLastMove (int x, int y) {// it saves the current state before making a move
-	      
-	      previousStates.add(new Board(this)); // Use the existing constructor to create a copy
-	      getLastMove(selectedX, selectedY);
-	}
+	//new method to save the current state of the board
+	public void getLastMove() {
+		 previousStates.add(new Board(this)); // Create a copy of the current board state
+    }
 	
 	public void undoLastMove() {