Development of the World Chess Championship became the first unified and undisputed World Chess Champion since Kasparov split from FIDE to form the PCA in 1993. Kramnik played to defend his title at the World Chess Championship 2007 in Mexico. This was an 8-player double round robin tournament, the same format as was used for the FIDE World Chess Championship 2005. This tournament was won by Viswanathan Anand. Because Anand's World Chess Champion title was won in a tournament rather than a match, a minority of commentators questioned the validity of his title. Kramnik also made ambiguous comments about the value of Anand's title, but did
World Chess Championship 2012 World Chess Championship 2012 The World Chess Championship 2012 was a chess match between the defending world champion Viswanathan Anand of India and Boris Gelfand of Israel, winner of the 2011 Candidates Tournament. After sixteen games, including four rapid games, Anand retained his title. The match, held under the auspices of the World Chess Federation FIDE, took place between 10 and 30 May 2012 in the Engineering Building of the State Tretyakov Gallery, Moscow, Russia. The prize fund was US$2.55 million. Anand was the defending champion, having gained the title in 2007 and defended it in 2008 (against Vladimir Kramnik)