Douglas Griffin on X: Ex-World Champion Mikhail Tal (b. Riga, 1936; d. Moscow, 1992), pictured at Wijk aan Zee, January 1988. (📷: #chess / X

Douglas Griffin on X: Reykjavík World Cup, October 1988 - the 12th-round pairing of Boris Spassky and @Kasparov63. The game was drawn in 19 moves; in the post-game analysis, the players are

Douglas Griffin on X: A photo of a frail-looking Mikhail Tal (1936-1992) taken, according to the archive, in 1991. The ex-World Champion was still mentally sharp, however - in 1992 he was

Douglas Griffin on X: Pictured at Wijk aan Zee, January 1982 - ex-World Champion Mikhail Tal (1936-1992). (📷: #chess / X

Douglas Griffin on X: Wijk aan Zee, 15th January 1968. In the 5th round of the Hoogovens tournament, Viktor Korchnoi faces Hans Ree. Standing by the board are Milko Bobotsov, Mikhail Tal & Victor Ciocâltea. (📷: #chess

Douglas Griffin on X: Legends of the chessboard: Mikhail Tal v. @Kasparov63, in play at (I think) the Moscow TV tournament, 1987. (Photo credit: I. Utkin.) #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: Mikhail Tal v. Tigran Petrosian, 25th USSR-ch, Riga 1958, which featured the trademark positional exchange sacrifice by Petrosian, 31Rf4! Semyon Furman looks on. ('#Chess in the USSR', No.

Douglas Griffin on X: At the demonstration board, the 8th World Champion, Mikhail Tal (b. Riga, 9th Nov 1936; d. Moscow, 28th June 1992.) (Photo via #chess / X

Douglas Griffin on X: Wijk aan Zee, 19th January 1982. Ex-World Champion Mikhail Tal (USSR) is pictured before play v. Vlastimil Hort (ČSSR) in the 4th round of the Hoogovens tournament. (Photo

Douglas Griffin on X: Riga, of course, has a long and rich #chess history. 40 years ago this September, Mikhail Tal scored one of the greatest results of his later career, winning