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In page Garry Kasparov:

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As a teenager, Kasparov shared the USSR Chess Championship in 1981 with Lev Psakhis (12.5/17), although Psakhis won their game.[13] His first win in a superclass-level international tournament was scored at Bugojno, Yugoslavia, in 1982. He earned a place in the 1982 Moscow Interzonal tournament, which he won, to qualify for the Candidates Tournament.[14] At age 19, he was the youngest Candidate since Bobby Fischer, who was 15 when he qualified in 1958.[citation needed]