Boris Spassky Boris Spassky Boris Vasilievich Spassky (; born January 30, 1937) is a Russian chess grandmaster. He was the tenth World Chess Champion, holding the title from 1969 to 1972. Spassky played three world championship matches: he lost to Tigran Petrosian in 1966; defeated Petrosian in 1969 to become world champion; then lost to Bobby Fischer in a famous match in 1972. Spassky won the Soviet Chess Championship twice outright (1961, 1973), and twice lost in playoffs (1956, 1963), after tying for first place during the event proper. He was a World Chess Championship candidate on seven occasions (1956, 1965, 1968,
World Chess Championship 1975 World Chess Championship 1975 The 1975 World Chess Championship was not played due to a dispute over the match format. Champion Bobby Fischer (United States) was to play Anatoly Karpov (Soviet Union) in Manila, commencing June 1, 1975. Fischer refused to play the then-standard "Best of 24 games" match, and after FIDE were unable to work out a compromise, forfeited his title instead. Karpov was named World Champion by default on April 3, 1975. Two 18-player, single round robin Interzonals were played with the top three from each qualifying for the Candidates Tournament. Leningrad and Petropolis, Brazil were the venues.