Kammala jumla mai zuwa: A ƙarshen shekarun 1990, Tatiana Kaawar Ratcu na ɗaya daga cikin fitattun 'yan wasan chess mata na Brazil. Ta sau uku ta lashe Gasar Zakarun Matasa ta Brazil a cikin rukunin shekaru U16 na Girl (1992, 1993, 1994) kuma sau biyu ta lashe rukunin shekaru U18 na Girl (1996, 1997). Ta kuma lashe gasar zakarun Brazil ta 'yan mata ta Junior Chess sau biyu (1996, 1998). Tatiana Kaawar Ratcu sau biyar ta lashe gasar zakarun mata ta Brazil sau biyar: 1994, 1995, 1996, 1997 da 2000. A 1995, Tatiana Kaawar Ratcu ya shiga cikin
Gasar Zakarun Duniya ta Mata ta Duniya a Chişinău inda ta kasance a matsayi na 43. A cikin 1998, a Rio de Janeiro ta lashe Gasar Cin Kofin Duniya ta 1 ta Junior Team tare da ƙungiyar Brazil.