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
World Chess Championship 1972 of the World Championship. The first game was played on July 11, 1972. The last game (the 21st) began on August 31, was after 40 moves, and Spassky resigned the next day without resuming play. Fischer won the match 12½–8½, becoming the eleventh undisputed World Champion. In 2016, former World Chess Champion Garry Kasparov commented on the global significance of the match, saying: I think the reason you look at these matches probably was not so much the chess factor but to the political element, which was inevitable because in the Soviet Union, chess was treated by the Soviet authorities