World Chess Championship fought five incredibly close world championship matches, the World Chess Championship 1984 (controversially terminated without result with Karpov leading +5 −3 =40), World Chess Championship 1985 (in which Kasparov won the title, 13–11), World Chess Championship 1986 (narrowly won by Kasparov, 12½–11½), World Chess Championship 1987 (drawn 12–12, Kasparov retaining the title), and World Chess Championship 1990 (again narrowly won by Kasparov, 12½–11½). In the five matches Kasparov and Karpov played 144 games with 104 draws, 21 wins by Kasparov and 19 wins by Karpov. In 1993, Nigel Short broke the domination of the two K's (Kasparov and Karpov) by
World Chess Championship 1981 and successfully defended his title as world champion. World Chess Championship 1981 The 1981 World Chess Championship was played between Anatoly Karpov and Viktor Korchnoi in Merano, Italy from October 1 to November 19, 1981. Karpov won. Two Interzonals were held in 1979, one in Riga and the other in Rio de Janeiro. The Riga interzonal was won in dominant fashion by Tal, who went through the tournament undefeated ahead of Polugaevsky. They were joined in the Candidates Tournament by Adorján, whose better tie-break score in the main tournament put him ahead of Ribli, after the two drew a playoff