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
World Chess Championship champion retained the title if the match was tied at 12–12 including draws. Eventually FIDE deposed Fischer and crowned Karpov as the new champion. Fischer privately maintained that he was still World Champion. He went into seclusion and did not play chess in public again until 1992, when he offered Spassky a rematch, again for the World Championship. The Fischer–Spassky (1992 match) attracted good media coverage, but the chess world did not take this claim to the championship seriously. Karpov dominated the 1970s and early 1980s with an incredible string of tournament successes. He convincingly demonstrated that he was the