<prompt> Pedzisa mutsara unotevera: Nielsen akadzidzisa World Champion Viswanathan Anand kubva muna 2002 kusvika muna 2012. Anand akahwina mukombe weWorld Championship muMexico 2007, uye akaudzivirira muBonn 2008, Sofia 2010 uye  <response>: Moscow 2012. 