The third Desafio Black Belt (Black Belt Challenge) was to bring out the top gi fighters in Brazil. Our favorites, Frédson Paixão, Marcelo Garcia, Fernando Tererê, and Ronaldo Jacaré would be among those dueling. The third Desafio Black Belt (Black Belt Challenge) was to bring out the top gi fighters in Brazil. Our favorites, Frédson Paixão, Marcelo Garcia, Fernando Tererê, and Ronaldo Jacaré would be among those dueling.