Sergei Movsesian was born on 3.11.1978 and grew up as an Armenian in Georgia, he learned how to play chess at 4 years old. As a 15 year old he moved to Czech republic, where to this day he currently resides. In 2002 he gained a Slovak citizenship and was by far the strongest player in Slovakia. Since 2011 he represents his ancestors, Armenia, whilst maintaining his Slovak citizenship.
In 1999 he managed to get into the quarter-finals of the world championship in Las Vegas. He has won a wide range of strong tournaments like: Sarajevo (2002 and 2007), St. Petersburg (2007), Karlove Vary (2007), and many others. He played in the Slovak championship twice (2002 and 2007) and on both occasions he came out on top. In the European championship in Plovdiv (2008) he won bronze. During the world team championship in China (2011) he won a gold medal, that same year he also won the European club cup (playing for St. Petersburg). Next year (2012) he won gold medal in the Chess Olympiad (Istanbul). He has achieved strong results in Fischer chess where in the world championship (Mainz 2009) he won third place.
His peak rating was in the January 2009 Fide rating list where he had 2751, a rating that entitled him to be in the world top ten. Sergei is a polyglot, he speaks 9 languages: English, German, Russian, Serbio-Croatian, Czech, Polish, Armenian, Georgian, and of course Slovak.