Who retained his title as the World Chess Champion after a challenge from Veselin Topalov in 2010?
Veselin Topalov way to winning M-Tel Masters in 2005, Topalov defeated former FIDE world champion Ruslan Ponomariov with the white pieces in a Queen's Indian Defense. Veselin Topalov Veselin Aleksandrov Topalov (pronounced ; ; born 15 March 1975) is a Bulgarian chess grandmaster and former FIDE World Chess Champion. Topalov became FIDE World Chess Champion by winning the FIDE World Chess Championship 2005. He lost his title in the World Chess Championship 2006 against Vladimir Kramnik. He challenged Viswanathan Anand at the World Chess Championship 2010, losing 6½–5½. He won the 2005 Chess Oscar. He was ranked world number one from April
World Chess Championship 2010 for the title of FIDE World Chess Champion would be an eight-player tournament. At the time there were two rival World Champions, 2005 FIDE World Champion Veselin Topalov, and "Classical" World Champion Vladimir Kramnik. The list of the eight players for the tournament included Topalov, but not Kramnik. To unify the two World Champion titles, FIDE later organised a match between Kramnik and Topalov (the World Chess Championship 2006). Kramnik was to take Topalov's place in the World Chess Championship 2007 if he won the match, which he did. Topalov was hence excluded from the 2007 World Chess Championship, a