Qor faahfaahin dheeraad ah faqradan - Wuxuu ku dhashay Fort William (hadda Thunder Bay), Ontario, Chorney wuxuu ciyaaray afar xilli ciyaareed oo guul leh oo kubbadda koleyga kulliyadda ee Jaamacadda North Dakota. Waxaa loo magacaabay kooxda NCAA All-Tournament ee 1980, iyo laba kooxood oo All Star ah 1981. Wuxuu xirfadiisa ciyaareed ka bilaabay Pittsburgh Penguins oo ku soo qaatay wareegga lixaad ee 1979 NHL Entry Draft. Chorney waxaa loo beddelay Los Angeles Kings wareegga lixaad ee doorashada (Stuart Marston) ee 1985 NHL Entry Draft
Waxaad Ka dib markii uu xilli ciyaareed la qaatay Kings, waxaa saxiixay Washington Capitals laakiin wuxuu ku guuldareystay inuu boos ka helo liiska.