def play(self,gtp_color,gtp_move):#GnuGo needs to redifine this method to apply it to all its workers
		if gtp_color=='w':
			self.bot.place_white(gtp_move)
			for worker in self.workers:
				worker.place_white(gtp_move)
		else:
			self.bot.place_black(gtp_move)
			for worker in self.workers:
				worker.place_black(gtp_move)