when did a computer first beat a human at chess
late 1980s
title: Human–computer chess matches text: the Class B (1600–1799) section of the 4th Paul Masson chess tournament in Saratoga, California. This was the first time a computer won a human tournament. Chess 4.5 was rated 1722. Chess 4.5 running on a Control Data Corporation CDC Cyber 175 supercomputer (2.1 megaflops) looked at less than 1500 positions per second. On February 20, 1977, Chess 4.5 won the 84th Minnesota Open Championship with 5 wins and 1 loss. It defeated expert Charles Fenner rated 2016. On April 30, 1978, Chess 4.6 scored 5–0 at the Twin Cities Open in Minneapolis. Chess 4.6 was rated 2040. International Master title: Human–computer chess matches text: and 2006. Since that time, chess programs running on commercial hardware—more recently including mobile phones—have been able to defeat even the strongest human players. In 1956 MANIAC, developed at Los Alamos Scientific Laboratory, became the first computer to defeat a human in a chess-like game. Playing with the simplified Los Alamos rules, it defeated a novice in 23 moves. In 1966 MIT student Richard Greenblatt wrote the chess program Mac Hack VI using MIDAS macro assembly language on a Digital Equipment Corporation PDP-6 computer with 16K of memory. Mac Hack VI evaluated 10 positions per second. In 1967, several MIT title: Human–computer chess matches text: the humans can pick a move from several computers. Human–computer chess matches This article documents the progress of significant human–computer chess matches. Chess computers were first able to beat strong chess players in the late 1980s. Their most famous success was the victory of Deep Blue over then World Chess Champion Garry Kasparov in 1997, but there was some controversy over whether the match conditions favored the computer. In 2002–2003, three human-computer matches were drawn, but whereas Deep Blue was a specialized machine, these were chess programs running on commercially available computers. Chess programs running on commercially-available desktop computers had title: Human–computer chess matches text: Human–computer chess matches This article documents the progress of significant human–computer chess matches. Chess computers were first able to beat strong chess players in the late 1980s. Their most famous success was the victory of Deep Blue over then World Chess Champion Garry Kasparov in 1997, but there was some controversy over whether the match conditions favored the computer. In 2002–2003, three human-computer matches were drawn, but whereas Deep Blue was a specialized machine, these were chess programs running on commercially available computers. Chess programs running on commercially-available desktop computers had convincing victories against human players in matches in 2005 title: Human–computer chess matches text: Hack VI beat a 1510 United States Chess Federation player. This was the first time a computer won a game in a human tournament. At the end of 1968, Mac Hack VI achieved a rating of 1529. The average rating in the USCF was near 1500. In 1968, Northwestern University students Larry Atkin, David Slate and Keith Gorlen began work on Chess (Northwestern University). On April 14, 1970 an exhibition game was played against Australian Champion Fred Flatow, the program running on a Control Data Corporation 6600 model. Flatow won easily. On July 25, 1976, Chess 4.5 scored 5–0 in