Douglas Griffin on X: World Champion Anatoly Karpov, Amsterdam IBM 1981. (Source: #chess / X

Douglas Griffin on X: Anatoly Karpov & Mikhail Tal, pictured in play during the 39th USSR Championship, Leningrad, September-October 1971. (Photo: N. Naumenkov / TASS.) #chess / X

Douglas Griffin on X: Anatoly Karpov, pictured in 1970. (Photo: R. Kucherov.) #chess / X

Douglas Griffin on X: 40 years ago - World Champion Anatoly Karpov (USSR), pictured at the IBM International in Amsterdam, May 1981. (📷H. van Dijk (#1); M. Antonisse (#2, 3, 4) /

Douglas Griffin on X: Already a quarter of a century ago. Anatoly Karpov v. Vladimir Kramnik, 12th round, Linares, 12th March 1993. The game was drawn in 99 moves. (Photo credit: unknown

X 上的Douglas Griffin：“40 years ago, the World Championship match between Anatoly Karpov & Viktor Korchnoi was under way. One of my earliest #chess memories is reading the score of the 1st

Douglas Griffin on X: Pictured at a blitz training session in the spring of 1975: World Championship challenger Anatoly Karpov, his trainer - grandmaster Semyon Furman, ex-World Champions Tigran Petrosian & Mikhail

X 上的Douglas Griffin：「Anatoly Karpov, winner of the 1969 World Junior Championship in Stockholm, pictured on his return to the USSR. (Photo: Novosti Press.) #chess / X

Douglas Griffin on X: Two World Champions - Max Euwe and Anatoly Karpov, at the final Amsterdam IBM tournament, 20th May 1981. (Photo source: #chess / X

Douglas Griffin on X: Two photos from the epic 1985 World Championship match between Anatoly Karpov and Garry Kasparov, which took place during September-November in the Tchaikovsky Concert Hall in the Soviet

Douglas Griffin on X: World #Chess Champion Anatoly Karpov (USSR) in play in an international tournament at Amsterdam, 18th May 1976. (Photo credit: R. Bogaerts / ANEFO, via @sovietvisuals /

Douglas Griffin on X: 40 years ago - World Champion Anatoly Karpov (USSR), pictured at the IBM International in Amsterdam, May 1981. (📷H. van Dijk (#1); M. Antonisse (#2, 3, 4) /

Douglas Griffin on X: The 1981 World Championship match between champion Anatoly Karpov (USSR) & challenger Viktor Korchnoi (Switzerland), Merano, October-November 1981. (📷J. Cooke, V. Rastelli / Corbis.) #chess / X