 Nyora kupfuurira kweiyi ndima - Muna 2004, pazera ramakore gumi nerimwe, Cori akaita kutanga kwake muchikwata chenyika chevakadzi pa36th Chess Olympiad. Akatamba pabhodhi rekuchengetedza uye akawana mapoinzi mashanu kubva pa7 makwikwi mana, maviri akaenzana, kurasikirwa kumwe. Akapedza akabatanidzwa kekutanga naMartha Fierro muWomens American Continental Championship munaGunyana 2009, achiisa wechipiri pakurambana. MunaNovember 2009, Cori akafananidza nzvimbo yekutanga paWorld U-20 Girls Championship, achitora menduru yesirivheri pa tiebreaks. Gare gare mumwedzi iwoyo, akakunda chikamu chevasikana vari pasi pemakore gumi nematanhatu paWorld Youth Chess Championship muAntalya, Turkey, achikunda mapfumbamwe emitambo yake yekutanga gumi, uye akabata zita aine round rekuchengetedza. MunaNovember 2010, Cori akapedza wechipiri muvasikana vari pasi pe18 chikamu cheWorld Youth Championships muPorto Carras, Greece. Cori akakunda American Continental Womens Championship kekutanga muna Chikumi 2011. Muna Nyamavhuvhu 2011, akahwina World U-20 Girls Championship muChennai, India uye kubudirira uku kwakamupa kodzero yevakadzi World Chess Championship 2012. 