Karpov won 10 games and tied for first with Victor Kortchnoi in the 1973 Leningrad Interzonal, he then proceeded to win the following 3 candidate elimination matches:
a) Defeated Lev Polugaevski 5.5 – 2.5, with 3 wins, 5 draws, 0 losses.
b) Defeated ex World Champion Boris Spassky 7-4, with 4 wins, 6 draws, 1 loss.
c) Defeated 2-time world champion contender Victor Kortchnoi 5-4, with 3 wins, 19 draws, 2 losses.
d) Karpov was proclaimed World Champion when Bobby Fischer refused to defend his title.
Karpov's title defenses:
In 1978 Karpov won 6 games and successfully defend his title against Victor Kortchnoi . By a score of 16.5 - 15.5. The match was decided by the first player to win 6 games.
In 1981 Karpov won 6 games and successfully defended his
title against Victor Kortchnoi, by a score of
Karpov's career - 1960 - 1984 -