About András Adorján
András Adorján was a Hungarian Chess Grandmaster (1973) and author. He adopted his mother's maiden name, Adorján, in 1968. The latter was also the year that he won (jointly) his first Hungarian Championship, going on to a further (this time outright) victory in 1984. 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.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.