Deep Thought (chess computer)

Deep Thought ( German "Tiefer Gedanke" ) was a chess computer that was developed by Feng-hsiung Hsu at Carnegie Mellon University . It is named after the fictional computer Deep Thought from Douglas Adams ' The Hitchhiker's Guide to the Galaxy . The first version was created in May 1988, a previous version was named ChipTest . The further development of the program by IBM took place under the name Deep Blue .

Deep Thought won the North American Computer Chess Championship in 1988 and the World Computer Chess Championship in 1989. Deep Thought made headlines by tied for 1st place at the Long Beach , California Open in 1988 , in which the program won a game against Grandmaster Bent Larsen , who closed At this time it was ranked 96th in the world. It ran on a Sun 4 workstation and could calculate about 720,000 positions per second. In 1989 Deep Thought lost two games against Garry Kasparov and a correspondence chess game against Michael Valvo , but was able to play a tournament againstRobert Byrne won and defeated the international champion David Levy in a competition clearly 4-0.

The naming of multi-processor capable chess programs later followed the example of Deep Thoughts (such as Deep Blue , Deep Fritz and Deep Junior ).

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