private static void Demo(IChessBoard board) { board.SetPiece(new Tuple <int, int>(0, 7), new Knight(Utils.ColorsEnum.Black, new Tuple <int, int>(0, 7))); board.ShowBoard(); board.MovePiece(new Tuple <int, int>(0, 7), new Tuple <int, int>(2, 6)); board.ShowBoard(); board.MovePiece(new Tuple <int, int>(0, 7), new Tuple <int, int>(2, 3)); board.ShowBoard(); }