<prompt> Pedzisa mutsara unotevera: Kasimdzhanov aive wechipiri kune aimbove World Champion Viswanathan Anand, achishanda naAnand mukugadzirira uye panguva yekubudirira kwake World Chess Championship zita rekudzivirira muna Gumiguru 2008 kurwisa Vladimir Kramnik, Kubvumbi-Chivabvu 2010 kurwisa Veselin Topalov uye muna  <response>: Chivabvu 2012 achipesana naBoris Gelfand. 