 Nyorai kuenderera mberi kweiyi ndima - Koltsov akakunda Russian Qualifying Event ye2015 PDC World Championship uye akakunda Haruki Muramatsu weJapan 42 mumakumbo mumutambo wekutanga. Akaenzanisa mutambo wake wekutanga neKevin Painter pa11 mumaseti, asi aisakwanisa kuhwina imwe nhanho mushure meizvi kuti akundwe 31. Akabatana naAleksei Kadochnikov kuti vamiririre Russia paWorld Cup of Dartsuye vakarasikirwa neAustralia 5-1 mumutambo wokutanga. Kuedza kwaKoltsov kusvika ku2016 World Championship kwakagumiswa padanho rekupedzisira naAlexander Oreshkin. Akatonga Eurasian Darts Tour muna 2016 nekukunda mana uye kurasikirwa mune imwe yekupedzisira yezviitiko zvitanhatu zvakaitwa. Kolstov naOreshkin vakakundwa neNetherlands 5-3 mumutambo wekutanga weWorld Cup, Michael van Gerwen akarumbidza mutambo waKolstov. 