Murray Campbell His peak Elo rating was around 2200. North American Computer Chess Championship: Member of winning teams in 1985 (HiTech), 1987 (ChipTest), 1988 (Deep Thought), 1989 (HiTech and Deep Thought), 1990 (Deep Thought), 1991 (Deep Thought) and 1994 (Deep Thought). 1989 World Computer Chess Championship, winning team (Deep Thought) Campbell shared the $100,000 Fredkin Prize with Feng-hsiung Hsu and A. Joseph Hoane Jr. in 1997. The prize was awarded for developing the first computer (Deep Blue) to defeat a reigning world chess champion in a match. Campbell received the Allen Newell Research Excellence Medal in 1997, citing his contributions to Deep
Human–computer chess matches points. Humans won 148 ½ points. Yona Kosashvili scored highest for the humans at 6 points out of 6 games. Kallisto scored highest for the computers at 4 ½ points. In 1988, Deep Thought shared first place with Tony Miles in the Software Toolworks Championship, ahead of a former world champion Mikhail Tal and several grandmasters, including Samuel Reshevsky, Walter Browne, and Mikhail Gurevich. It also defeated grandmaster Bent Larsen, making it the first computer to beat a grandmaster in a tournament. Its rating for performance in this tournament of 2745 (USCF scale). In 1989, Levy was defeated by the