Master (software)

Master is a version of DeepMind's Go software AlphaGo, named after the account name (originally Magister/Magist) used online, which won 60 straight online games against human professional Go players from 29 December 2016 to 4 January 2017. This version was also used in the Future of Go Summit in May 2017. It used four TPUs on a single machine with Elo rating 4,858. DeepMind claimed that AlphaGo Master was 3-stone stronger than the version used in AlphaGo v. Lee Sedol.

The version of AlphaGo Master is used in a teaching tool, released by DeepMind on 11 December 2017, to analyze winning rates of different Go openings, unable to play real games. The teaching tool collects 6,000 Go openings from 230,000 human games.