<prompt> Nyora kupfuurira kweiyi ndima - Muna 2012, Koptelov akakwikwidza pa2012 FINA World Swimming Championships 25 m muIstanbul, Turkey ichiita semi-fainari mumakwikwi evarume e50 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 muna 200 m shavishavi panguva 2014 European Championships  <response>: . 