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 tour to Cuba, where he gave a 12-board simultaneous exhibition at Havana's Capablanca Chess Club, winning ten games and drawing two. On this tour the club played a series of matches against other clubs. Fischer played , behind International Master Norman Whitaker. Whitaker and Fischer were the leading scorers for the club, each scoring 5½ points out of 7 games. In July 1956, Fischer won the US Junior Chess Championship, scoring 8½/10 at Philadelphia to become the youngest-ever Junior Champion at age 13. At the 1956 US Open Chess Championship in Oklahoma City, he scored 8½/12 to tie for 4–8th