Viktor Korchnoi
Soviet-Swiss chess grandmaster
Viktor Lvovich Korchnoi was a Soviet and Swiss chess grandmaster and chess writer. He is considered one of the strongest players never to have become World Chess Champion.
Born in Leningrad, Soviet Union, Korchnoi defected to the Netherlands in... Wikipedia
Born: March 23, 1931, Saint Petersburg, Russia
Died: June 6, 2016 (age 85 years), Wohlen, Switzerland
Children: Igor Korchnoi
Nationality: Soviet and Swiss
Peak ranking: No. 2 (January 1976)
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