五子棋 对于终局，由于终局存在三种状态，胜利、失败、平局。判断胜利由3来判断，判断平局的法则是，计数器达到盘目的最大数目-331 for the final, because there are three state final, victory, defeat, a tie. Victory by the three judge to judge, judge rules IPB is counter to the largest number of sites aim