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Sergei Tiviakov

at Liverpool, 2008
Full name Sergei Tiviakov
Country Soviet Union
Born 14 February 1973
Krasnodar, Russian SFSR, Soviet Union
Title Grandmaster
Peak rating 2699 (October 2005)

Sergei Tiviakov (Russian: Серге́й Тивяков; born 14 February 1973 in Krasnodar) is a naturalised Dutch chess grandmaster.

Tiviakov won the World Under-18 Championship in 1990 in Singapore. He was awarded the Grandmaster title in 1991.

Tiviakov won the Dutch Chess Championship in 2006 and 2007. In 2008, in Plovdiv, Bulgaria he won the European Individual Chess Championship.

Tiviakov won the Politiken Cup in Helsingør, Denmark in July 2008 edging out on tiebreak points Vladimir Malakhov, Yuriy Kuzubov, Peter Heine Nielsen, Boris Savchenko and Jonny Hector, after all six players finished on 8/10 points. In 2009 he won the 13th Unive Tournament in Hoogeveen. In 2011 he came first in the Fagernes Chess Festival, in the 5th Leiden Chess Tournament and in the First Panama Chess Open. In 2015 Tiviakov won the 24th Paul Keres Memorial Rapid Tournament in Tallin.

His first Olympiad appearance was for Russia at the Moscow event in 1994, when he took home a gold medal in celebration of the team's winning performance. He played for the Dutch team at each of the events held from 2000-2006, with an overall record of +14 −2 =33 (62.2%).

At the European Team Chess Championships, he has earned three gold medals (two team and one individual) for his contribution to the successful Dutch teams of 2001 (León) and 2005 (Gothenburg). At León, he registered a 77.8% score.

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