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
Bobby Fischer of Larsen, Efim Geller, and Robert Hübner, with 15/23. Fischer finished the tournament with seven consecutive wins. Setting aside the Sousse Interzonal (which Fischer withdrew from while leading), Fischer's victory gave him a string of eight consecutive first prizes in tournaments. Former World Champion Mikhail Botvinnik was not, however, impressed by Fischer's results, stating: "Fischer has been declared a genius. I do not agree with this... In order to rightly be declared a genius in chess, you have to defeat equal opponents by a big margin. As yet he has not done this". Despite Botvinnik's remarks, "Fischer began a miraculous