Dvoirys Semen I. (02.11.1958)

Russian Grandmaster (1990) who is living in Israel since 2014.

Best results: won or shared first at Ulan Bator 1983, Barnaul 1988, Simferopol 1988, Chelyabinsk 1990 and 1991, Oberwart 1992, Groningen Open 1992, Saint Petersburg 1993, Omsk 1997, Beer-Sheva 1997, Dutch Open 2000, Essent Open 2000, Geneva Open 2001, Dutch Open 2001, Oberwart Open 2003, Aeroflot Open A2 2010, Ural FR Men’s championship 2010, P. Izmailov Memorial 2010 (RUS), Pavlodar Open 2010, Polugaevsky Memorial (RUS) 2011, Pavlodar Open 2013, Jerusalem GM 2015, Herzliya Open 2016. Also 3-9^th at the Russian championship in 2003.

A member of the Russian team who won the World Senior Team Championship.

Peak rating: 2615 in 1997.