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 1972 of the World Championship. The first game was played on July 11, 1972. The last game (the 21st) began on August 31, was after 40 moves, and Spassky resigned the next day without resuming play. Fischer won the match 12½–8½, becoming the eleventh undisputed World Champion. In 2016, former World Chess Champion Garry Kasparov commented on the global significance of the match, saying: I think the reason you look at these matches probably was not so much the chess factor but to the political element, which was inevitable because in the Soviet Union, chess was treated by the Soviet authorities