<prompt> Qedela umusho olandelayo: Ngo-2012, uKoptelov waqhudelana ku-2012 FINA World Swimming Championships 25 m e-Istanbul, eTurkey okwenza kwaba kuma-semi-finals kwabesilisa 50 m butterfly. Ku-2013 Summer Universiade eKazan, Kopelov kwaba yilungu Team Russian ukuthi iwine igolide kwabesilisa 4 × 100 m medley nge uVladimir Morozov, Kiril Strelnikov futhi Andrey Grechin futhi indondo yethusi 100 m butterfly. Ngo-2014, uKoptelov wagcina engu-8 emqhudelwaneni wamamitha angama-200 we-butterfly e-  <response>: Umqhudelwano WaseYurophu ka-2014. 