Pedzisa mutsara unotevera: Akazvarirwa muFort William (zvino Thunder Bay), Ontario, Chorney akatamba mwaka mina yakabudirira yekoreji hockey paYunivhesiti yeNorth Dakota. Akatumidzwa zita reNCAA All-Tournament timu muna 1980, uye maviri ekutanga maAll Star timu muna 1981. Akatanga basa rake achitamba nePittsburgh Penguins uyo akamutora mumutambo wechitanhatu we1979 NHL Entry Draft. Chorney akachinjirwa kuLos Angeles Kings nokuda kwechisarudzo chechitanhatu (Stuart Marston) mu
1985 NHL Entry Draft. Mushure mekupedza mwaka nemadzimambo, akasainwa neWashington Capitals asi akakundikana kuwana nzvimbo pane roster.