The conversation between human and AI assistant.
[|Human|] Given a reference text about the IBJJF, provide two tournaments organized by IBJJ and the ruleset used by these tournaments.
[|AI|] World No-Gi Championship and Pan Jiu-Jitsu Championship are two tournaments organized by the IBJJF. They follow the ruleset of the CBJJ.
[|Human|] 
Given a reference text about the IBJJF, provide two tournaments organized by IBJJ and the ruleset used by these tournaments.