public static void main(String[] args) {
   ChessBoard board = new ChessBoard();
   // board.resetBoard();
   board.setDebug(true);
   board.placePiece(new King("white"), 4, 3);
   board.placePiece(new Rook("black"), 3, 6);
   board.placePiece(new Rook("black"), 4, 4);
   board.placePiece(new Rook("black"), 5, 6);
   board.printBoardState();
   System.out.println(board.isInCheckMate("white"));
 }