Facebook has another secret in its midst. Built into the messaging platform is ‘FBChess,’ the hidden game that can be accessed with a simple command: '@fbchess play'.

“This game contributed to changing my perspective.” Niemann, for his part, admitted to cheating at the ages of 12 and 16 and said that he had been banned from competing on Chess.com.

It was a totemic moment in the progression of technology’s ability to play the “perfect” chess match and signaled the rise of artificial intelligence’s effect on chess.