|Born|| 3 November 1978
Tbilisi, Georgian Soviet Socialist Republic, USSR
|Peak rating||2751 (January 2009)|
|Peak ranking||No. 10 (January 2009)|
Sergei Movsesian (Armenian: Սերգեյ Մովսիսյան; born 3 November 1978 in Tbilisi) is an Armenian chess Grandmaster who played for the Czech Republic for most of his career. Later he represented Slovakia which offered him citizenship. On December 30, 2010 Movsesian started to represent his ancestral country of Armenia. He was a member of the gold medal-winning Armenian team at the 2011 World Team Chess Championship in Ningbo.
Movsesian won the Czech Chess Championship in 1998.
In 2002 and 2007 he won the Slovak Chess Championship.
He won international tournaments in Sarajevo (2002 and 2007); 2007 Czech Coal Carlsbad tournament in Karlovy Vary; Mikhail Chigorin Memorial in Saint Petersburg in 2007; and the Corus B tournament in 2008. In 2013 he tied for 1st-8th with Alexander Moiseenko, Evgeny Romanov, Alexander Beliavsky, Constantin Lupulescu, Francisco Vallejo Pons, Hrant Melkumyan, Ian Nepomniachtchi, Alexey Dreev and Evgeny Alekseev in the European Individual Chess Championship.
Movsesian lives in Czech Republic since 1994.
In 2003 he married WGM Petra Krupkova. He is now married to WGM Júlia Kočetková.
He speaks eight languages fluently.