The Grand Slam in Brazilian jiu-jitsu is the achievement of winning all four major IBJJF tournaments in a calendar year. The four Grand Slam tournaments are the World IBJJF Championship, the European IBJJF Championship, Pan IBJJF Championship and the CBJJ Brazilian National Championship. Winning all four tournaments within a single year is widely considered the most prestigious accomplishment in Brazilian jiu-jitsu competition.[1]