It has been believed that the AI programs that play the strategy game of Go had gone far beyond human capability by 2016. In March 2016, it beat human world champion Lee Sedol in a five-game match, ...

The game of Go has long been viewed as the most challenging of classic games for artificial intelligence owing to its enormous search space and the difficulty of evaluating board positions and moves.

Almost exactly 20 years ago, the IBM computer Deep Blue beat World Chess Champion Garry Kasparov at his own game. It was a pivotal moment in the history of artificial intelligence—the first time a ...