1997: IBM’s Deep Blue Defeats World Champion Garry Kasparov

On May 11, 1997, Garik Kimovich Weinstein, better known by his maternal name, Garry Kasparov, considered by many to be one of the best players of all time, lost to Deeper Blue, a perfected version of the IBM Deep Blue computer. This clash represented a milestone in the modern history of chess and marked the beginning of the development of artificial intelligence (IA). The six-game encounter between Kasparov and the machine was defined on the las…

1997: IBM’s Deep Blue Defeats World Champion Garry Kasparov

On May 11, 1997, IBM’s Deep Blue achieved what many thought impossible: it defeated reigning world chess champion Garry Kasparov in a six-game rematch, winning 3.5–2.5. This event wasn’t just a triumph on the 64 squares—it represented a watershed moment in the history of artificial intelligence and computational power. The Road to the Rematch IBM first challenged Kasparov in 1996, when an earlier version of Deep Blue lost 4–2. Though defeated, D…