def add_piece(self, piece: Piece, position: Position, player: Player):
"""Adds a piece on the board."""
if piece.name == "King":
if self.king_mask & 1 << player.value:
return False
else:
self.king_mask |= 1 << player.value
Guard.check_position(position, self.SIZE)
piece.set_position(position)
piece.set_player(player)
self.board[piece.position.x][piece.position.y] = copy(piece)
