Semen Isaakovich Dvoirys[1] (Russian: Семён Исаакович Двойрис, romanized: Semyon Isaakovich Dvoyris; born 2 November 1958) is a Russian chess player. He was awarded the title Grandmaster by FIDE in 1990.
Semen Dvoirys | |
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![]() Dvoirys in 2009 | |
Full name | Semyon Isaakovich Dvoirys |
Country | Soviet Union → Russia |
Born | (1958-11-02) 2 November 1958 (age 63) Zhmerynka, Ukrainian SSR, Soviet Union[1] |
Title | Grandmaster (1990) |
FIDE rating | 2439 (July 2022) |
Peak rating | 2615 (July 1997) |
Peak ranking | No. 51 (July 1997) |
Dvoirys competed in the 1993 Interzonal tournament, held in Biel.[2] In 2000, he took part in the inaugural Anatoly Karpov International tournament, a category 14 round-robin tournament in Poikovsky, Russia: he scored 3½ points from 9 games, tying for 7th-8th places.[3]
In 2001, he tied for 1st–2nd places with Alexey Korotylev at Geneva Open.[4] In 2010, he won the Izmailov Memorial tournament in Tomsk,[5] tied for 1st-5th places in the A2 group of the Aeroflot Open with Aleksei Pridorozhni, Igor Glek, Sergey Pavlov and Mikhail Panarin,[6][7] and tied for 1st–4th with Sergei Yudin, Pavel Smirnov and Sergei Iskusnyh at Pavlodar.[8] In 2011 he came first in the Lev Polugaevsky Memorial tournament in Chelyabinsk.[9]
Dvoirys played for the victorious team Russia 1 at the 2014 European Senior Team Chess Championship in Šibenik. He scored 6½/9 playing on the first board.[10][11]
He competed at the 2017 Maccabiah Games.[12]
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