Answer:
Deep Blue
Step-by-step explanation:
The supercomputer that defeated Garry Kasparov in a match of chess in 1997 was Deep Blue.
Deep Blue was a chess-playing computer developed by IBM. The first match between Kasparov and Deep Blue was held on February 10, 1996, Kasparov won the match 4-2. However, a rematch was held a year later on May 11, 1997, and Deep Blue won the rematch with a score of 3.5-2.5. This match was considered a significant milestone in the field of artificial intelligence and demonstrated the ability of computers to perform complex tasks, such as playing chess at a high level. After this match, the development of chess-playing AI continued and the next generation of chess playing computers became even more powerful.