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What is a Interzonal tournament in chess?

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Interzonal tournament is a tournament term: a tournament organized by the FIDE starting from the 1950s to 1993. It was the second qualifying cycle of the World Chess Championship. The participants were selected from the top players of the Zonal tournaments. The top-ranking players qualified for the Candidates Tournament. This affects how games are organized, scored, paired, or decided.

Interzonal tournament FAQ

What is a interzonal tournament in chess?

Interzonal tournament is a tournament term: a tournament organized by the FIDE starting from the 1950s to 1993. It was the second qualifying cycle of the World Chess Championship. The participants were selected from the top players of the Zonal tournaments. The top-ranking players qualified for the Candidates Tournament. This affects how games are organized, scored, paired, or decided.

How do you get better at using a interzonal tournament?

Competition terms matter because they affect incentives, pairings, and risk decisions.

Train this pattern on your own games

Reading a definition is not the same as spotting the pattern with a clock running. Chessiro's free game review runs Stockfish 18 over every move you play, names the concept behind each mistake, and turns the positions where it cost you into training puzzles. You can also see the idea in action in the classic games collection, where the greatest players in history demonstrate it.

Free game review

See where interzonal tournament decides your games

Chessiro reviews your games with an AI coach that names the concept behind every mistake, then drills you on the exact positions where it happened until you stop repeating them.