Pari gbolohun ti o tẹle: Chartier ṣe ere hockey junior ni Western Hockey League (WHL) fun awọn Saskatoon Blades ati Prince George Cougars. Chartier ni a yan ni 199th lapapọ ninu awọn
1999 National Hockey League (NHL) Entry Draft tí àwọn Edmonton Oilers ṣe. Ní àsìkò ìkẹyìn rẹ̀ ní WHL (2000-01), Chartier gba Bill Hunter Trophy gẹ́gẹ́ bí Olùdáàbòbò tó ga jùlọ ní WHL. Lakoko ti o nṣere ni Prince George, Chartier lo ọpọlọpọ akoko rẹ pẹlu Dan Hamhuis ti Vancouver Canucks. Lẹhin akoko 2000-01, Chartier ati Hamhuis mejeeji ni a darukọ si Ẹgbẹ All-Star akọkọ ti WHL.