<prompt> Pedzisa mutsara unotevera: Muna 2012, Koptelov akakwikwidza pa2012 FINA World Swimming Championships 25 m muIstanbul, Turkey ichiita semi-fainari muvarume 50 m butterfly. Pa2013 Summer Universiade muKazan, Kopelov aiva nhengo yeRussia Team iyo yakawana goridhe muvarume 4 × 100 m medley naVladimir Morozov, Kiril Strelnikov naAndrey Grechin uye menduru yebronze mu 100 m butterfly. Muna 2014, Koptelov akapedza 8th mu 200 m butterfly pa  <response>: Makwikwi eEurope a2014. 