Questions about AlphaGo versus Ke Jie

Short answers, pulled from the story.

When did the AlphaGo versus Ke Jie match take place in Wuzhen China?

The match took place from the 23rd to the 27th of May 2017. This event marked the Future of Go Summit and spanned a week-long focus on strategic depth.

What were the technical specifications of AlphaGo Master during the 2017 matches against Ke Jie?

AlphaGo Master utilized four TPUs running on a single machine with an Elo rating of 4,858. DeepMind claimed this version was three stones stronger than the system used against Lee Sedol.

Why was Ke Jie selected as the opponent for AlphaGo in May 2017?

Ke Jie held the number one ranking among all human players worldwide under Rémi Coulom's system since late 2014. He topped lists maintained by the Korea Baduk Association, Japan Go Association, and Chinese Weiqi Association simultaneously.

How many points did AlphaGo win by in the first game against Ke Jie on the 23rd of May 2017?

AlphaGo won the first game by just 0.5 points after 289 moves while playing white. The match required every ounce of precision from both sides to reach such a narrow margin.

What happened to AlphaGo after defeating Ke Jie in the third game on the 27th of May 2017?

AlphaGo retired from competitive play entirely after winning the series 3 to 0. The Chinese Weiqi Association awarded it a professional 9-dan title recognizing its achievements.