AI becomes grandmaster in ‘fiendishly complex’ StarCraft II

DeepMinds AlphaStar masters game dubbed next grand challenge for AI in just 44 days An artificial intelligence (AI) system has reached the highest rank of StarCraft II, the fiendishly complex and wildly popular computer game, in a landmark achievement for the field. DeepMinds AlphaStar outperformed 99.8% of registered human players to attain grandmaster level at the game, which sees opponents build civilisations and battle their inventive, warmongering alien neighbours. The AI system mastered the game after 44 days of training, which involved learning from recordings of the best human players and then going up against itself and versions of the programme that intentionally tested its weaknesses. AlphaStar has become the first AI system to reach the top tier of human …