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
1981 in chess 3 games, lost 2 games and drawn 3 games. The World Chess Championship 1981 was a match contested from 1 October to 19 November between the defending World Champion, Karpov and the challenger, Korchnoi. The first player to gain 6 wins would be awarded the title of World Chess Champion. Like the Candidates final, the match was held in Merano. Anatoly Karpov had been FIDE's recognized World Champion since 1975, when he gained the title by forfeit from Bobby Fischer (United States). Karpov and Korchnoi had both played only one World Chess Championship match prior to 1981, a very close