def update_board(self, old_row, old_col, new_row, new_col):
board = self.board
piece = board[old_row][old_col]
delta_x = new_row - old_row
delta_y = new_col - old_col
all_moves = self.space_available(piece)
if (new_row, new_col) in [move[0] for move in all_moves]:
if (delta_x % 2 == 0):
jumped_x = delta_x // 2
jumped_y = delta_y // 2
if (jumped_y == -1 and jumped_x == 1) or \
(jumped_y == 1 and jumped_x == -1):
board[old_row - jumped_y][old_col - jumped_x] = None
else:
board[old_row + jumped_y][old_col + jumped_x] = None
if piece.get_type() == 'USER' or \
piece.get_type() == 'USER_KING':
self.num_cpu_pieces -= 1
else:
self.num_user_pieces -= 1
board[old_row][old_col] = None
piece.set_location(new_row, new_col)
if piece.get_type() == 'USER' and new_row == 0:
piece = Piece('USER_KING', new_row, new_col)
elif piece.get_type() == 'CPU' and new_row == 7:
piece = Piece('CPU_KING', new_row, new_col)
board[new_row][new_col] = piece
return board
