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 Chess Club, which were then transmitted by teleprinter to Cuba. Luděk Pachman observed that Fischer "was handicapped by the longer playing session resulting from the time wasted in transmitting the moves, and that is one reason why he lost to three of his chief rivals." The tournament was an "ordeal" for Fischer, who had to endure eight-hour and sometimes even twelve-hour playing sessions. Despite the handicap, Fischer tied for second through fourth places, with 15/21 (+12−3=6), behind former World Champion Vasily Smyslov, whom Fischer defeated in their individual game. The tournament received extensive media coverage. In December, Fischer won his