text: class Piece:
      def __init__(self, x=0, y=0, is_white=True, is_king=False):
          self.x = x
          self.y = y
          self.is_white = is_white
          self.is_king = is_king
  
      def base_value(self):
          raise Exception("Not Implemented Here")
  
      def moves(self, node):
          raise Exception("Not Implemented Here")
          
      def attacks(self, node):
          raise Exception("Not Implemented Here")
  