IBM's Deep Blue defeated Garry Kasparov in a six-game match in May 1997, becoming the first computer system to defeat a reigning world chess champion under standard tournament controls.

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Location PART 3 - THE THIRD AXIS CHAPTER 12: DARK INFORMATION Uncertainty Gives Rewards

"IBM’s Deep Blue defeated Garry Kasparov in a six-game match in May 1997, becoming the first computer system to defeat a reigning world chess champion under standard tournament controls."

IBM records the 1997 rematch victory and identifies Deep Blue as the first computer system to defeat a reigning world champion in a match under standard tournament controls.

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Source title Deep Blue

Source authors IBM

Source year 2026

Confidence high

Importance low