Dee ihe na-esote paragraf a - E nyere Maroroa aha nke Nwanyi Na-aga ime Ọkachamara (WCM) na 2005 maka nsonaazụ ya nke 5/9 na 34th Chess Olympiad
na Calvià, Spain n'afọ 2004. N'afọ 2007, e nyere ya aha nke nwanyị FIDE Master (WFM) maka nsonaazụ ya nke 6/9 na 2007 Oceania Women's Zonal Chess Championship na Fiji. Ebe nke atọ ya, na-enwetakwa akara 6/9, na 2009 Oceania Women's Zonal Chess Championship na Gold Coast, Queensland nyere ya aha Women International Master (WIM). N'oge a, Maroroa na-egwu chess klọb na London, ma bụrụ onye egwuregwu kachasị ike na Hammersmith Chess Club na West London ruo ọtụtụ afọ.