About
Viktor Korchnoi was a Soviet and Swiss chess grandmaster and writer, considered one of the strongest players never to have become World Chess Champion. He was known for his tenacious and combative style, as well as his longevity in the world of chess. Korchnoi defected from the Soviet Union in 1976 and continued his chess career in Western Europe.
Career Timeline
Soviet Chess Champion
Becomes Soviet Chess Champion early on.
Defection from Soviet Union
Defects to the West, career changes.
World Championship Challenge
Challenges Karpov for World Championship.
Second Karpov Match Loss
Loses second match to Karpov.
Continued Chess Success
Maintains high ranking in chess world.
Death of Chess Legend
Passed away after a long chess career.
Chess Legacy Endures
Legacy remains as a chess icon.
Related Celebrities
Last updated: February 23, 2026