Deep Blue versus Kasparov
It was the first time a computer had beaten a reigning world champion chess player.
The Deep Blue computer had been designed by a team at IBM.
Hear from two people who were at the match.
(Photo: IBM scientist Murray Campbell (R) makes a move for the IBM Deep Blue computer in a game 04 May in New York against World Chess Champion Garry Kasparov (L). Credit: AFP)