![Douglas Griffin on Twitter: "Korchnoi (Switzerland) v. Kasparov (USSR), 25th Olympiad, Lucerne 1982. (Source: unknown.) #chess https://t.co/6ay4S2UzOd" / Twitter Douglas Griffin on Twitter: "Korchnoi (Switzerland) v. Kasparov (USSR), 25th Olympiad, Lucerne 1982. (Source: unknown.) #chess https://t.co/6ay4S2UzOd" / Twitter](https://pbs.twimg.com/media/DEtqdLmXsAIyYZu.jpg)
Douglas Griffin on Twitter: "Korchnoi (Switzerland) v. Kasparov (USSR), 25th Olympiad, Lucerne 1982. (Source: unknown.) #chess https://t.co/6ay4S2UzOd" / Twitter
![Wohlwollend, lesenswert, gut: Genna Sosonkos "Evil-Doer: Half a Century with Viktor Korchnoi" | ChessBase Wohlwollend, lesenswert, gut: Genna Sosonkos "Evil-Doer: Half a Century with Viktor Korchnoi" | ChessBase](https://de.chessbase.com/portals/all/2018/07/evil-doer/korchnoi-1962-tigran-petrosian-jan-hein-donner.jpg)
Wohlwollend, lesenswert, gut: Genna Sosonkos "Evil-Doer: Half a Century with Viktor Korchnoi" | ChessBase
![European Senior Team Tournament at Dresden, Germany. Round 4, Tschechkovsky v Korchnoi in the Russia v Switzerland match Stock Photo - Alamy European Senior Team Tournament at Dresden, Germany. Round 4, Tschechkovsky v Korchnoi in the Russia v Switzerland match Stock Photo - Alamy](https://c8.alamy.com/comp/BN9XDP/european-senior-team-tournament-at-dresden-germany-round-4-tschechkovsky-BN9XDP.jpg)