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
World Chess Hall of Fame Egyptian game called senet, the earliest known board game; a custom-made set of chess furniture that belonged to Bobby Fischer, and the first commercial chess computer. Rotating exhibitions feature items from the permanent collection; the museum also mounts two temporary exhibitions per year. The Hall of Fame also commemorates the careers of its members. There are 52 members in the U.S. Hall of Fame, including Bobby Fischer, John W. Collins, Larry Evans, Benjamin Franklin, George Koltanowski, Sammy Reshevsky, Paul Morphy, and Arnold Denker. There are 19 members in the World Hall of Fame, including José Raúl Capablanca, Anatoly Karpov, Garry