Bobby Fischer In July–August, Fischer crushed the mostly grandmaster field at Buenos Aires, winning by a 3½-point margin, scoring 15/17 (+13−0=4). Fischer then played first board for the US Team in the 19th Chess Olympiad in Siegen, where he won an individual Silver medal, scoring 10/13 (+8−1=4), with his only loss being to World Champion Boris Spassky. Right after the Olympiad, Fischer defeated Ulf Andersson in an exhibition game for the Swedish newspaper "Expressen". Fischer had taken his game to a new level. Fischer won the Interzonal (held in Palma de Mallorca in November and December 1970) with 18½/23 (+15−1=7), far ahead
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