"After the loss Kasparov questioned whether Deep Blue's team had cheated in order to beat him, but in a fascinating new short documentary by FiveThirtyEight and ESPN, it's shown that the momentous victory — and the notorious 44th move that led to it — was actually the result of a computer error."

But the video actually says the error occurred in the first game, which Kasparov won, rather than in the second, which he lost and after which he suggested he had been cheated.