GMSergei Tiviakov

Sergei Tiviakov was born in Krasnodar and won the World Under-18 Championship in 1990. He became a grandmaster the following year. His first Olympiad appearance brought team gold with Russia in 1994. He later settled into an international career representing the Netherlands. He helped the Dutch team win the European Team Championship in 2001 and 2005, adding an individual gold medal. He won the Dutch Championship in 2006, 2007, 2018 and 2026. In 2008 he won the European Individual Championship in Plovdiv and the Politiken Cup in Denmark. He won the Univé tournament in Hoogeveen in 2009. His later open-tournament victories included Fagernes, Leiden and Panama in 2011. Between October 2004 and September 2005 he completed 110 classical tournament games without losing, playing a mixture of professional and club opponents.