<prompt> Pedzisa mutsara unotevera: FIDE Grand Prix 201213 yaive nhevedzano yemitambo mitanhatu yechess iyo yaive chikamu chemutambo wekukodzera we  <response>: World Chess Championship 2014. Veselin Topalov akapedza ari wokutanga, uye Shakhriyar Mamedyarov wechipiri munhamba dzose. Nokudaro vose vari vaviri vakakwanisa kupinda mumakwikwi e2014 Candidates Tournament. 