Arshak Petrosian

[1] He became a prominent Soviet tournament player during the 1980s, winning games against such noted grandmasters as Alexey Shirov, Rafael Vaganian, and Alexander Morozevich.

More recently he has served as a trainer and mentor to his son-in-law, Péter Lékó.

[2] His current Elo rating is 2470, although he has been inactive for at least five years.

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Arshak Petrosian (1st left) with his 2008 Olympiad team on a 2009 stamp of Armenia