Tuhia he haere tonu mo tenei irava - I toa ia i te European Girls U20 Championship i te tau 1994. I takaro a Collas mo Bulgaria i nga Olympics Chess Wahine o 1994, 1996, 1998, 2000 me 2002. I te Tihema 2002, i whakawhiti ia ki te French Chess Federation a mai i taua wa ka tohu ia i a France. I te tau 2003, i wikitoria ia i te toa wahine Mediterranean i Beirut. I te tau 2007 ka riro a Collas hei toa wahine French i muri i tana wikitoria i te tukinga tere me Sophie Milliet. Kua takaro ia mo te kapa French i te Women's Chess Olympiad mai i te 2004. I te tau 2012
I wikitoria a Collas i te mētara hiriwa takitahi na tana mahinga whakatauranga 2469 i runga i te papa 4.