def get_board_defence_total_value(board: chess.Board) -> float:
total_value = 0
for square_defend in chess.SQUARES:
piece_defend = board.piece_at(square_defend)
if piece_defend is not None and piece_defend.color == board.turn:
if board.is_attacked_by(not board.turn, square_defend):
for square_defendant in chess.SQUARES:
piece_defendant = board.piece_at(square_defendant)
if piece_defendant is not None and piece_defendant.color == board.turn:
if square_defend in board.attacks(square_defendant):
total_value += Macros.PIECE_VALUES[
piece_defend.
piece_type] / Macros.BOARD_INTERVAL_FIX
return total_value
