Mikhail Tal at the Leningrad Interzonal, 1973.

During the years 1972-1974, Mikhail Tal famously embarked on two very long series of unbeaten games, which are among the longest ever recorded.  However, between these two unbeaten runs he suffered something of a collapse in form, in a period that crucially included the FIDE Interzonal Tournament held in Leningrad.  As so often in Tal's…

The later games of Mikhail Tal, with his annotations from the contemporary Soviet press.

Mikhail Tal - Chess Forums

The Leningrad Interzonal, 1973.

International Grandmaster Mikhail Tal right at the Moscow interzonal chess tournament of 1982 Stock Photo - Alamy

Alberto Guzmán (@Alberto76603836) / X

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Mikhail Tal at the Leningrad Interzonal, 1973.

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