• May 25, 10am BST: Google's AlphaGo defeated Ke Jie again, confirming its status as the best Go player. Ke Jie provided some hope initially with perfect play in the beginning and pushing AlphaGo to its limit. At the post-game press conference, Hassabis said it was the closest game against the Master version. Ke Jie was shaken after the first game but more jovial at this one, expressing some regrets. There will be a third and final game on Saturday and exhibition matches on Friday. The event website has details.
• May 23, 9am BST: DeepMind's AlphaGo defeated Ke Jie in the first round of a best-of-three Go match. Ke Jie was defeated by just half a point. He tried to use AlphaGo's moves against it. The first game video is embedded.
• Original story (April 10): Ke Jie will face AlphaGo in a three-game match in China starting May 23. Odds are not in his favor as AlphaGo won 60 online matches earlier. The "Future of Go Summit" in Wuzhen will have leading AI experts and experimental matches like five human players against one AlphaGo and human-AI pairings. Demis Hassabis discusses how AlphaGo's victory rejuvenated Go. Hassabis also quotes a professional Go player about how AlphaGo makes players feel free. There is a related article about DeepMind working with the National Grid to reduce power usage.