Pedzisa mutsara unotevera: Kocherzhenko akabatana naAlla Beknazarova mukupera kwa1999 kana kuti kutanga kwa2000. Vakatumirwa ku2000 World Junior Championships, yakaitwa munaKurume muOberstdorf, uye vakapedza vari 18. Mumwaka wa 2000-2001, Beknazarova / Kocherzhenko vakahwina goridhe pazviitiko zviviri zveJGP uye vakakwanisa kuenda kuISU Junior Grand Prix Final, kwavakawana nzvimbo yechina. Vakagumisawo vari vechina pa
2001 World Junior Championships muSofia. Vakakunda menduru imwe yevakuru vepasi rose, bronze pa2001 Karl Schäfer Memorial, uye vakakwikwidza pazviitiko zviviri zvevakuru veGrand Prix nemakwikwi maviri eISU Championships. Kubatana kwavo kwakaguma muna 2003.