
Chinese Go player Ke Jie (1st L) analyses the game with his teammates after the second match against artificial intelligence program AlphaGo in Wuzhen, east China's Zhejiang province, May 25, 2017.(Xinhua/Xu Yu)

Chinese Go player Ke Jie (1st L) analyses the game with his teammates after the second match against artificial intelligence program AlphaGo in Wuzhen, east China's Zhejiang province, May 25, 2017.(Xinhua/Xu Yu)