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
American Chess Quarterly in its pages was "A Bust to the King's Gambit" by U.S. Champion and future World Champion Bobby Fischer, which appeared as the first article in the first issue. In that article, Fischer advocated what became known as the Fischer Defense to the King's Gambit (1.e4 e5 2.f4 exf4 3.Nf3 d6), brashly claiming, "In my opinion the King's Gambit is busted. It loses by force." Fischer later played the King's Gambit himself with great success, winning all three tournament games in which he played it, but choosing the Bishop's Gambit (1.e4 e5 2.f4 exf4 3.Bc4) rather than the King's Knight's