Complex sentence: He has won the CBJJ Mundials (Brazilian Jiu-Jitsu World Championship) four times, once as a purple belt in 1996 and three times as a black belt in three consecutive years (1999,2000, and 2001).
Split into simpler sentences: He has won the CBJJ Mundials (Brazilian Jiu-Jitsu World Championship) 4 times. Once, as a purple belt in 1996, and three times as a black belt, in three consecutive years (1999,2000, and 2001).