On This Day in AI History

Deep Blue defeats world chess champion Garry Kasparov

In the sixth and final game of their rematch, IBM's Deep Blue defeated reigning world champion Garry Kasparov, who resigned after 19 moves, giving the machine a 3.5-2.5 series victory. It was the first time a computer beat a reigning world champion in a classical match under tournament conditions. A defining symbol of machine intelligence surpassing human experts at a hard reasoning task.