Victor Korchnoi, Soviet-born chess grandmaster, dead at 85

GENEVA (AP) — Chess grandmaster Victor Korchnoi, a prominent Soviet defector who saw his citizenship restored by Mikhail Gorbachev in the waning days of the USSR, has died. He was 85.
The Russian chess federation says Korchnoi died in Switzerland, where he had lived for decades.
Korchnoi was one of the leading Soviet chess players before defecting in 1976 in the Netherlands. His matches against the official Soviet champion, Anatoly Karpov, became famous as duels on political, psychological