def is_position_enemy_or_empty(pos: Position, colour: Colour,
board: Board) -> bool:
"""Check if position occupied with enemy piece or empty.
Return False if pos is out of the board.
"""
# Check if pos locates on the board.
return Board.is_position_on_board(
pos, board) and (PositionsUnderThreat.is_position_enemy(
pos, colour, board) or board.is_position_empty(pos))
def is_move_possible(game: Game, move: Move) -> bool:
"""Check if move possible."""
# Get piece at start position
piece = game.board.get_piece(move.start)
# Check if figure exists.
if piece is None:
return False
# Check if colours match.
if game.turn != piece.colour:
return False
# Check if x and y vary between 0 (included) and 7 (included)
if not Board.is_position_on_board(move.finish, game.board):
return False
# Make move
further_game = GameLogic.make_move(move, game)
# Check if check occurs after making move
return not GameLogic.is_check(further_game.board,
Colour.change_colour(further_game.turn))