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
1981 in chess 3 games, lost 2 games and drawn 3 games. The World Chess Championship 1981 was a match contested from 1 October to 19 November between the defending World Champion, Karpov and the challenger, Korchnoi. The first player to gain 6 wins would be awarded the title of World Chess Champion. Like the Candidates final, the match was held in Merano. Anatoly Karpov had been FIDE's recognized World Champion since 1975, when he gained the title by forfeit from Bobby Fischer (United States). Karpov and Korchnoi had both played only one World Chess Championship match prior to 1981, a very close