The second game was a freestyle chess tournament in 2005, in which man and machine could enter together as partners, rather than adversaries, if they so chose.
第二场是自由式国际象棋锦标赛 在2005年，人类与机器可以一起进入比赛 以合作伙伴的身份，而不是敌人，如果他们这样选择。