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Index Interzonal

Interzonal chess tournaments were tournaments organized by the World Chess Federation FIDE from the 1950s to the 1990s. [1]

28 relations: Amsterdam, Biel/Bienne, Bobby Fischer, Boris Gelfand, Canada, Candidates Tournament, Central America, Chess World Cup, FIDE, FIDE World Chess Championships (1998–2004), Friðrik Ólafsson, James Sherwin, Mikhail Botvinnik, Mikhail Tal, Pal Benko, Paul Keres, Portorož, Professional Chess Association, Round-robin tournament, Samuel Reshevsky, South America, Soviet Union, Svetozar Gligorić, Swiss-system tournament, Tigran Petrosian, United States, Vasily Smyslov, World Chess Championship.


Amsterdam is the capital and most populous municipality of the Netherlands.

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Biel/Bienne (official bilingual wording;;; Bienna, Bienna, Belna) is a town and a municipality in the Biel/Bienne administrative district in the canton of Bern in Switzerland.

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Bobby Fischer

Robert James Fischer (March 9, 1943January 17, 2008) was an American chess grandmaster and the eleventh World Chess Champion.

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Boris Gelfand

Boris Abramovich Gelfand (Барыс Абрамавіч Гельфанд, Barys Abramavich Hel'fand; Борис Абрамович Гельфанд, Boris Abramovich Gel'fand; בוריס אברמוביץ' גלפנד; born 24 June 1968) is an Israeli chess Grandmaster.

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Canada is a country located in the northern part of North America.

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Candidates Tournament

The Candidates Tournament is a chess tournament organized by FIDE, chess' international governing body, since 1950, as the final contest to determine the challenger for the World Chess Championship.

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Central America

Central America (América Central, Centroamérica) is the southernmost, isthmian portion of the North American continent, which connects with the South American continent on the southeast.

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Chess World Cup

The Chess World Cup refers to three different events over the years.

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The Fédération Internationale des Échecs or World Chess Federation is an international organization that connects the various national chess federations around the world and acts as the governing body of international chess competition.

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FIDE World Chess Championships (1998–2004)

The FIDE World Chess Championships from 1998 till 2004 followed a similar knockout format, radically different from previous World Chess Championship events.

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Friðrik Ólafsson

Friðrik Ólafsson (born 26 January 1935) is an Icelandic chess grandmaster.

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James Sherwin

James Terry Sherwin (born October 25, 1933) is an American corporate executive and International Master in chess.

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Mikhail Botvinnik

Mikhail Moiseyevich Botvinnik (Михаи́л Моисе́евич Ботви́нник,; – May 5, 1995) was a Soviet and Russian International Grandmaster and World Chess Champion for most of 1948 to 1963.

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Mikhail Tal

Mikhail Nekhemyevich Tal (Mihails Tāls; Михаил Нехемьевич Таль, Mikhail Nekhem'evich Tal,; sometimes transliterated Mihails Tals or Mihail Tal; 9 November 1936 – 28 June 1992) was a Soviet Latvian chess Grandmaster and the eighth World Chess Champion (from 1960 to 1961).

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Pal Benko

Pal Benko (Benkő Pál; born July 14, 1928) is a Hungarian–American chess grandmaster, author, and composer of endgame studies and chess problems.

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Paul Keres

Paul Keres (January 7, 1916June 5, 1975) was an Estonian chess grandmaster and chess writer.

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Portorož (Portorose, literally "Port of Roses") is a Slovenian Adriatic seaside resort and spa town located in the Municipality of Piran in southwestern Slovenia.

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Professional Chess Association

The Professional Chess Association (PCA), which existed between 1993 and 1996, was a rival organisation to FIDE, the international chess organization.

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Round-robin tournament

A round-robin tournament (or all-play-all tournament) is a competition in which each contestant meets all other contestants in turn.

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Samuel Reshevsky

Samuel Herman Reshevsky (born Szmul Rzeszewski; November 26, 1911 – April 4, 1992) was a Polish chess prodigy and later a leading American chess grandmaster.

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South America

South America is a continent in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere.

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Soviet Union

The Soviet Union, officially the Union of Soviet Socialist Republics (USSR) was a socialist state in Eurasia that existed from 1922 to 1991.

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Svetozar Gligorić

Svetozar Gligorić (Serbian Cyrillic: Светозар Глигорић, 2 February 1923 – 14 August 2012) was a Serbian and Yugoslav chess grandmaster.

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Swiss-system tournament

A Swiss-system tournament is a non-eliminating tournament format which features a set number of rounds of competition, but considerably fewer than in a round-robin tournament.

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Tigran Petrosian

Tigran Vartanovich Petrosian (Тигра́н Варта́нович Петрося́н; Տիգրան Պետրոսյան; June 17, 1929 – August 13, 1984) was a Soviet Armenian Grandmaster, and World Chess Champion from 1963 to 1969.

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United States

The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.

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Vasily Smyslov

Vasily Vasilyevich Smyslov (Василий Васильевич Смыслов; 24 March 1921 – 27 March 2010) was a Soviet and Russian chess grandmaster, who was World Chess Champion from 1957 to 1958.

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World Chess Championship

The World Chess Championship (sometimes abbreviated as WCC) is played to determine the World Champion in chess.

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Redirects here:

Zonal (chess), Zonal Tournament.


[1] https://en.wikipedia.org/wiki/Interzonal

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