Game over, machines: Humans defeat OpenAI bots once again at video games Olympics

OpenAI's bots were knocked out of The International – the Dota 2 computer game's annual Olympics – on Thursday after they lost to human pros 2-0 in a best-of-three contest. Dota 2 is a hugely popular online battle strategy game (think Command and Conquer meets Tolkien) played by several hundred thousand people worldwide. The aim is to storm a map, take over bases by destroying towers, and take the ultimate prize: the enemy's "Ancient." Teams are made up of five players known as heroes. There is a pool of more than a hundred different hero types all with their own strengths and weaknesses.