Rubuta ci gaba don wannan sakin layi - A ƙarshen shekarun 1990, Tatiana Kaawar Ratcu na ɗaya daga cikin manyan '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 cikin 1995, Tatiana Kaawar Ratcu ta halarci Gasar Cin Kofin Duniya ta Mata
a Chişinău inda aka sanya shi 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.