Advanced Chess man and machine." The concept of computer-assisted chess tournaments originated in science fiction, notably in "The Peace War" written by Vernor Vinge in 1984. The former world champion grandmaster Garry Kasparov, who retired from competitive chess in 2005, has a long history in playing "Man vs. Machine" events. Among the most important are his matches against IBM's computer Deep Blue, which Kasparov defeated in February 1996, scoring 4–2 in a 6-game match, and lost to, –, in a May 1997 rematch. This 1997 match was famous, as it was the first time in the history of chess in which a
Blue Force being sentenced to 15 years in prison. "Computer Gaming World"s Charles Ardai in 1993 stated that "Blue Force" "is simply not as strong as Walls' previous games". He criticized the game world ("prop-up facades"), "abysmal" dialogues, "appalling spelling errors and factual inconsistencies", and slow speed. Ardai concluded that "Walls and Tsunami both have better work in them ... they have nowhere to go but up". In 1996, "Computer Gaming World" declared "Blue Force" the 37th-worst computer game ever released. Blue Force Blue Force is a computer game for MS-DOS released in 1993 by former Police Quest designer Jim Walls. The