<Tr> <Td> Winner of the 2010 World Chess Championship </Td> <Td> Winner of the 2011 Candidates Tournament </Td> </Tr> <Tr> <Td> FIDE rating: 2791 (World No. 4) </Td> <Td> FIDE rating: 2727 (World No. 20) </Td> </Tr> <P> 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 . </P> <P> Anand was the defending champion, having gained the title in 2007 and defended it in 2008 (against Vladimir Kramnik) and in 2010 (against Veselin Topalov). Boris Gelfand became the challenger in 2012 after winning the eight - player 2011 Candidates Tournament . Anand's subsequent victory, therefore, was his third consecutive title defence . </P>

Who did viswanathan anand defeat in 2012 to retain the world chess champion title