Career
In 2000, he took part in the first Karpov Poikovsky Tournament, a category 14 round-robin tournament: he scored 3.5 points out of 9 games, tying for the seventh place. In 2001, he tied for 1st–2nd with Alexey Korotylev at Geneva Open. In 2011 he came first in the Lev Polugaevsky Memorial in Chelyabinsk.
Yuri Balashov vs Semen I Dvoirys, EUCup, 1991, English Opening: King"s English Variation (A25) 1/2-1/2
Semen I Dvoirys vs Yakov Meister, United Research Services-ch58 1991, Spanish Game: Bird Variation (C61) 1-0.