Not content with AIs beating human players on games like Go, Elon Musk-backed OpenAI is now beating the best Dota 2 players. The AI faced three of the best Dota 2 players in the world at the championships in the US and beat them all. It even learned the game from scratch using the old adage of “try, try, and try again.” Some players of the eSports hit put in grueling hours of training for a chance to receive the increasingly large winnings on offer at some events. That means little to...