<prompt> Pedzisa mutsara unotevera: Akakwikwidza mumakwikwi eWorld Championships muna 1950 kuAspen uye akapedza ari wechina mumutambo mutsva, wegiant slalom. PaMitambo yeOlympic yechando ya1952 muOslo, Oreiller akanga ari wechi14 mu  <response>: mukuburuka uye wechi16 mumakwikwi makuru. 