World Chess Championship Candidates Match in Leningrad

May 1-12, 1974. USSR. Leningrad. International Grandmaster, winner of Chess Olympiads as part of the USSR national team, winner of the Chess Oscar prize Anatoly Evgenievich Karpov during one of the matches with Boris Vasilyevich Spassky in the semifinals of the Candidates Competition for the World Chess Championship at the F. E. Dzerzhinsky Palace of Culture. The semifinals ended with A. E. Karpov winning with a score of 4:1. The exact date of the shooting is unknown. Nikolay Naumenkov/TASS