Mezue ahịrịokwu na-esonụ: Na ngwụcha afọ 1990, Tatiana Kaawar Ratcu bụ otu n'ime ndị na-egwu egwuregwu chess Brazil. O meriri ugboro atọ na Brazil Youth Chess Championships na U16 Girl's age group (1992, 1993, 1994) na ugboro abụọ meriri U18 Girl's age group (1996, 1997). Ọ merikwara ugboro abụọ n'asọmpi Chess Girls Junior nke Brazil (1996, 1998). Tatiana Kaawar Ratcu ugboro ise meriri ugboro ise Brazil Women's Chess Championships: 1994, 1995, 1996, 1997 na 2000. N'afọ 1995, Tatiana Kaawar Ratcu sonyere na
Nwanyị World Chess Championship Interzonal Tournament na Chişinău ebe ọ nọ n'ọkwa 43rd. N'afọ 1998, na Rio de Janeiro ọ meriri 1st World Junior Team Chess Championship na ndị otu Brazil.