code: def compare_board(self, dst, src=None):
          '''Compare two chessboard'''
          if not src:
              src = self.pos
  
          if src == dst:
              return True
          else:
              #May return details
              return Falsf compare_board(self, dst, src=None):
          '''Compare two chessboard'''
          if not src:
              src = self.pos
  
          if src == dst:
              return True
          else:
              #May return details
              return False
docs: Compare two chessboard