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 score would be nothing short of a lottery – the winner in that case could not claim to have won a convincing victory. Soviet grandmaster Lev Alburt felt that the decision to not concede to Fischer's demands rested on Karpov's "sober view of what he was capable of". Years later, in his 1992 match against Spassky, Fischer said that Karpov refused to play against him under Fischer's conditions. After the 1972 World Chess Championship, Fischer did not play a competitive game in public for nearly 20 years. In 1977 in Cambridge, Massachusetts, he played three games against the MIT Greenblatt