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 play Spassky (then tied for 96th–102nd on the FIDE rating list) in a "Revenge Match of the 20th century" in 1992. This match took place in Sveti Stefan and Belgrade, Yugoslavia, in spite of a United Nations embargo that included sanctions on commercial activities. Fischer demanded that the organizers bill the match as "The World Chess Championship", although Garry Kasparov was the recognized FIDE World Champion. Fischer insisted he was still the true World Champion, and that for all the games in the FIDE-sanctioned World Championship matches, involving Karpov, Korchnoi, and Kasparov, the outcomes had been prearranged. The purse for