chess pieces

chess_move.py

class ChessBoard:
    size: int = 7


class ChessPiece:

    def __init__(self):
        self.dead = False


class Horse(ChessPiece):
    def __init__(self, x, y):
        self.moves = [(1, -2), (1, 2), (2, 1), (2, -1), (-1, 2), (-1, -2), (-2, 1), (-2, -1)]
        self.x = x
        self.y = y
        self.dead = False

    def possible_moves(self):
        return [(self.x + x, self.y + y) for x, y in self.moves]

    def move(self, x, y):
        if (x, y) in self.possible_moves() and all([self.x + x, self.y + y] in range(ChessBoard.size + 1)):
            self.x = x
            self.y = y
        else:
            # raise
            return 'illegal move'


def player_move(p, x, y):
    try:
        p.move(x, y)
    except BaseException as e:
        print(e.args)