Chepizhny, I. I. Interzontal Tournaments. Riga 1979, Rio de Janeiro 1979 (Mezhzonalnye turniry. Riga 79, Rio-de-Zhaneiro 79), 1980. In Russian

Межзональные турниры. Рига 79, Рио-де-Жанейро 79.
Автор-составитель: И. И. Чепижный.
Художник: В. А. Щапов.
Москва: Физкультура и спорт, 1980.
415 с., ил. Твердый переплет. Обычный формат.
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Chepizhny, I. I. Interzonal Tournaments. Riga 1979, Rio de Janeiro 1979 (Mezhzonalnye turniry. Riga 79, Rio-de-Zhaneiro 79).
Compiler: I. I. Chepizhny.
Illustrator: V. A. Shchapov.
Moscow: Fizkultura i sport, 1980.
415 p., illus. Hardcover. Standard format.

This is a detailed official chronicle of two pivotal qualifying events in the 1978-1981 World Chess Championship cycle: the Interzonal tournaments held in Riga (USSR) and Rio de Janeiro (Brazil) in 1979. Compiled by I. I. Chepizhny and published by the leading Soviet sports publisher "Fizkultura i sport," this substantial volume provides a complete record of these competitions. The book typically includes all games (often annotated), tournament tables, cross-tables, photographs, and biographical notes on the participants. These tournaments featured top grandmasters of the era battling for spots in the prestigious Candidates Matches. As a primary source published shortly after the events, it is an invaluable resource for chess historians, players, and collectors, documenting a crucial stage in the journey to crown a world champion during the late Cold War period of chess.