Given a reference text about the IBJJF, provide two tournaments organized by IBJJ and the ruleset used by these tournaments.

Context: The International Brazilian Jiu-Jitsu Federation is a for-profit company that hosts several of the biggest Brazilian jiu-jitsu tournaments in the world, including the World Jiu-Jitsu Championship, World No-Gi Championship, Pan Jiu-Jitsu Championship, and European Open Jiu-Jitsu Championship. The federation was created by Carlos Gracie, Jr., who is the head of one of the largest Brazilian jiu-jitsu associations, Gracie Barra. The IBJJF uses the ruleset of the Confederação Brasileira de Jiu-Jitsu. On October 11, 2020, the IBJJF announced that they will begin to allow both heel hooks and knee-reaping for all brown and black belts competing in no-gi tournaments, starting on an undisclosed date in 2021.

Answer: World No-Gi Championship and Pan Jiu-Jitsu Championship are two tournaments organized by the IBJJF. They follow the ruleset of the CBJJ.