King's Gambit, Fischer Defense King's Gambit, Fischer Defense The Fischer Defense to the King's Gambit is a chess opening variation that begins with the moves: Although 3...d6 was previously known, it did not become a major variation until Fischer advocated it in a famous 1961 article in the first issue of the "American Chess Quarterly". In the "Encyclopaedia of Chess Openings", the Fischer Defense is given the code C34. After Bobby Fischer lost a 1960 game at Mar del Plata to Boris Spassky, in which Spassky played the Kieseritzky Gambit, Fischer left in tears and promptly went to work at devising a new defense
Bobby Fischer Boom". This match attracted more worldwide interest than any chess championship before or since. Fischer was scheduled to defend his title in 1975 against Anatoly Karpov, who emerged as his challenger. Fischer, who had played no competitive games since his World Championship match with Spassky, laid out a proposal for the match in September 1973, in consultation with FIDE official Fred Cramer. He made three principal (non-negotiable) demands: A FIDE Congress was held in 1974 during the Nice Olympiad. The delegates voted in favor of Fischer's 10-win proposal, but rejected his other two proposals, and limited the number of games