![]() ![]() ![]() By the end of August 2019, AlphaStar had attained 'grandmaster level', ranking among the top 0.2 percent of human players. Starting in July 2019, the new, constrained version of AlphaStar anonymously competed against players who 'opted in' on the public 1v1 European multiplayer ladder. DeepMind quickly retrained AlphaStar under more realistic constraints, and then lost a rematch with Komincz. Furthermore, while there was a cap on the number of actions over a five-second window, AlphaStar was free to allocate its action quota unevenly across the window in order to launch superhuman bursts of activity at critical moments. AlphaStar also had a global view rather than being limited by the in-game camera. A journalist at Ars Technica and others argued that AlphaStar still had unfair advantages: 'AlphaStar has the ability to make its clicks with surgical precision using an API, whereas human players are constrained by the mechanical limits of computer mice'. DeepMind announced the bot, named 'AlphaStar', on 24 January 2019. On 19 December 2018, DeepMind's bot defeated 'a top professional player', Grzegorz 'MaNa' Komincz, 5-0. ![]()
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