Google's AlphaGo AI secretively won more than 50 straight games against the world's top Go players

When Google's artificial intelligence program AlphaGo made history by taking down Korea's Lee Sedol--one of the world's best Go players--in a landslide 4-1 victory in March, Chinese player Ke Jie was skeptical. He famously wrote on Weibo the next day, "Even if AlphaGo can defeat Lee Sedol, it can't beat me," and has since agreed to take on the AI at an undecided time. But now even Ke, the reigning top-ranked Go player, has acknowledged that human beings are no match for robots in the complex board game, after he lost three games to an AI that mysteriously popped up online in recent days. On Jan. 4, after winning more than 50 games against several of the world's best Go players, Ke included, a user registered with an ID of "Master" on two Chinese board game platforms came forward to identify itself as AlphaGo. "I'm AlphaGo's Doctor Huang," the user "Master" wrote on foxwq.com,