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 Teaches Chess the work". According to Margulies, Fischer wanted a high quality work free of any errors, so Michael Valvo and Raymond Weinstein were brought in as proof readers. Chiefly due to its accessibility for beginners and Fischer's high public profile, the book sold an estimated one million copies. It is difficult to determine chess book sales with certainty, but this figure, based on the royalty payments made to co-author Stuart Margulies, makes it a candidate for best-selling chess book of all time. In October 1972, following Fischer's victory in the World Championship, the Bantam edition appeared on the New York Times