Chess right of a deposed champion to a rematch, and the next champion, Armenian Tigran Petrosian, a player renowned for his defensive and positional skills, held the title for two cycles, 1963–1969. His successor, Boris Spassky from Russia (champion 1969–1972), won games in both positional and sharp tactical style. The next championship, the so-called Match of the Century, saw the first non-Soviet challenger since World War II, American Bobby Fischer, who defeated his Candidates opponents by unheard-of margins and clearly won the world championship match. In 1975, however, Fischer refused to defend his title against Soviet Anatoly Karpov when FIDE did
Bobby Fischer media and leading players) for 1970, 1971, and 1972. Fischer was a charter inductee into the US Chess Hall of Fame in Washington, D.C. in 1985. After routing Taimanov, Larsen, and Petrosian in 1971, Fischer achieved a then-record Elo rating of 2785. After beating Spassky by the score 12½–8½ in their 1972 match, his rating dropped to 2780. St. Louis philanthropist Rex Sinquefield offered a $64,000 "Fischer Memorial Prize" for any player who could win all nine of their games at the 2009 US Chess Championship. By the fifth day of the championship, all 24 participants became ineligible for the