Definition of Deep Blue from the Oxford Advanced Learner's Dictionary

 

Deep Blue

 
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the name of a computer program that plays chess. In one second, it can analyse 100 million possible positions on the board. It was invented in 1985 by two students at Carnegie Mellon University in the US and developed at IBM. In 1989 Garry Kasparov, the World Chess Champion, defeated the computer in two matches. The program was later improved and in 1997 it defeated Kasparov in a match of six games.