The Bulgarian No. 1 became the FIDE World Chess Champion by winning the FIDE World Chess Championship in 2005. He lost his title in the 2006 World Chess Championship match against Vladimir Kramnik and was also narrowly defeated by Vishy Anand in their match for the World Chess Championship title in 2010. Topalov has competed at nine Chess Olympiads (1994-2000, 2008-2016), winning in Linares, Corus, Dortmund, Stavanger and Pearl Spring tournaments. At his 1994 appearance, Topalov won best overall performance.