Human–computer chess matches computer Deep Thought in an exhibition match. Deep Thought, however, was still considerably below World Championship Level, as the then reigning world chess champion Garry Kasparov demonstrated in two convincing wins in 1989. The "Chess Genius" program was entered into a Professional Chess Association rapid chess tournament in 1994. It defeated and eliminated world champion Kasparov, but lost to Viswanathan Anand in the next round. This was the first time a computer had defeated the world champion in an official game, albeit at rapid time controls. Kasparov played a six-game match against IBM's Deep Blue in 1996. Kasparov lost the
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