Other tournament successes (finishing either first or joint first) included Varna 1972, Osijek 1978, Budapest 1982, Gjovik 1983, Esbjerg 1985 and New York Open 1987.

At the Riga Interzonal of 1979, he finished joint third and qualified for the World Championship Candidates Tournament via tiebreaks, after drawing a match (+1 −1 =2) with fellow Hungarian Zoltán Ribli.

Competing at the Chess Olympiad of 1978, he helped Hungary to capture the gold medal from the Soviet team who had convincingly won the event twelve consecutive times from 1952 through 1974.

Adorján also worked over the years, sometimes secretly, as a second to Garry Kasparov and to Peter Leko, helping them to prepare for important World Championship matches.

For their creativity with the black pieces, Adorján cited the games of Tony Miles and Alexander Morozevich as a source of inspiration.