Bobby Fischer games, the only perfect score in the history of the tournament. His book "My 60 Memorable Games", published in 1969, is regarded as a classic work of chess literature. He won the 1970 Interzonal Tournament by a record 3½-point margin, and won 20 consecutive games, including two unprecedented 6–0 sweeps, in the Candidates Matches. In July 1971, he became the first official FIDE number-one-rated player. Fischer won the World Chess Championship in 1972, defeating Boris Spassky of the USSR, in a match held in Reykjavík, Iceland. Publicized as a Cold War confrontation between the US and USSR, it attracted more
Bobby Fischer score would be nothing short of a lottery – the winner in that case could not claim to have won a convincing victory. Soviet grandmaster Lev Alburt felt that the decision to not concede to Fischer's demands rested on Karpov's "sober view of what he was capable of". Years later, in his 1992 match against Spassky, Fischer said that Karpov refused to play against him under Fischer's conditions. After the 1972 World Chess Championship, Fischer did not play a competitive game in public for nearly 20 years. In 1977 in Cambridge, Massachusetts, he played three games against the MIT Greenblatt