Kammala jumla mai zuwa: Kashkarov shine mafi kyawun dan wasan Soviet na tsakiyar shekarun 1980. Kashkarov ya lashe lambar yabo ta farko ta kasa da kasa a gasar zakarun duniya ta matasa ta 1982, inda ya lashe cikakkun lambobin yabo, zinare a tseren kilomita 15, azurfa a cikin relay da tagulla a tseren kilomita 10. Daga 1983 zuwa 1991, Kashkarov ya yi gasa a kowane Gasar Cin Kofin Duniya ta Biathlon da aka buɗe wa maza, kuma ya ci lambobin yabo a kowane ɗayansu, ban da 1990. Ya lashe lambar zinare a gasar tsere a shekarar 1983,
1985 da 1986 gasar zakarun duniya da zinare a cikin mutum 20 km a 1985 da taron ƙungiya a 1989.