潮州枫溪青年农民陈南星当民办教师时，善弈象棋，常与也谙此道的另二位同事“手谈”斗擂，输者旁观。但每每成了旁观者的一方总禁不住出言“干涉内政”，令对弈二人兴味索然。陈南星遂想：“发明一种３人可同时玩的象棋多好！”这个奇想随着陈南星不知不觉地“人到中年”。中? Chaozhou Fengxi youth farmer Chen Nanxing when private teachers, good Yi chess, and often also know this Tao’s other two colleagues, “hand talk” fighting betrayal, losers onlookers. However, the party that has often become a spectator can not help but speak out of “interference in the internal affairs” so as to make the two players play a natural role. Chen Nanxing then thought: “invented a three-person chess can play at the same time!” This strange dream with Chen Nanxing unconsciously “middle-aged people.” in?