Kammala jumla mai zuwa: Karjakin ya lashe gasar zakarun Turai U10 Chess a 1999, kuma ya kasance Gwarzon Chess na Duniya U12 a 2001. Ya sami lambar yabo ta kasa da kasa a lokacin da yake da shekaru 11, kuma an ba shi lambar yabo ta Grandmaster a 2003. Ya wakilci Ukraine a gasar Chess Olympiad a shekara ta 2004, inda ya lashe lambar zinare da na mutum. Ya yi gasa a wasu wasannin Chess Olympiads guda biyu don Ukraine, kuma ya lashe gasar cin kofin chess ta Corus a shekarar 2009, kafin ya koma Rasha. Tun daga wannan lokacin ya wakilci Rasha sau biyar a gasar Chess Olympiad, inda ya lashe zinare na mutum a
Shekarar 2010. Ya kuma lashe lambar zinare tare da Rasha a Gasar Kwallon Kafa ta Duniya a 2013 da 2019.