Fixed movement on a pieces and user input

src/chess/King.java

@@ -54,9 +54,10 @@ public class King extends ChessPiece {
 
     private void castleRight(){
         // casting has to move the rook on the right size of the king from white's perspective
-        if (this.isWhite) {
-            b.set(b.size() - 3, 0, b.get(b.size() - 1, 0));
-        } else
+        if (this.isWhite)
+            b.movePiece(b.size() - 1, 0, b.size() - 3, 0);
+        else
+            b.movePiece(b.size()-1, b.size()-1, b.size()-3, b.size()-1)
             b.set(b.size()-3, b.size()-1, b.get(b.size()-1, b.size()-1));
     }