Royler Gracie Brazilian Jujitsu Gi Videos
Royler Gracie is the brother of Rickson and Royce Gracie, Royce achieving fame in U.s. mixed martial arts fights, and Rickson achieving notoriety on a worldwide scale (Rickson is considered the best MMA fighter from the Gracie clan). Royler Gracie has competed at the black belt level for more than 20 years, achieving numerous victories during his career.
He is the only person to win the ADCC Submission Wrestling World Championship three consecutive years, and has won the ADCC more times than anyone else. Royler is also a four-time World Jiu Jitsu Champion in the under 67kg Black Belt Division. He is also co-author of the excellent books Brazilian Jiu-Jitsu: Theory and Practice and Brazilian Jiu-Jitsu Submission Grappling Techniques.
Divergence from Kodokan rules
Since judo was introduced to Brazil there have been changes in the rules of sport judo. Several of these rule changes have greatly de-emphasised the groundwork aspects of judo, and others have reduced the range of joint locks allowed and when they can be applied. Many of the banned techniques are preserved in the judo kata, and are practised to varying extents in different clubs. Brazilian Jiu-Jitsu did not follow many of these changes to judo rules, and this divergence has given it a distinct identity as a martial art, while still being recognizable as a sub-style of judo. Other factors that have contributed towards the stylistic divergence of BJJ from sport judo include the Gracies' desire to create a national martial art, the influence of Brazilian culture, and the Gracies' emphasis on full-contact fighting and self-defense.
BJJ permits all the techniques that judo allows to take the fight to the ground. These include judo's scoring throws as well as judo's non-scoring techniques. However, BJJ differs in that it also allows a competitor to drag his opponent to the ground, and also even to drop to the ground himself provided he has first taken a grip. Early Kodokan judo not only allowed all that BJJ now allows, it even allowed a fighter to drop straight to the ground without first taking a grip.
BJJ's different rules set and point scoring mechanisms are designed to give BJJ an arguably more practical emphasis. This is done by rewarding positions of control from which the grappler could strike their opponent (if it weren't for the sport's restrictions against striking.) While judo's greater emphasis on throwing is sometimes criticized as not being as useful in a self-defence situation, the effectiveness of throwing should not be underestimated. This is especially so when performed on a hard surface and with the freedom to throw their opponent in a manner that would cause great injury (being unrestricted in the circumstances by sport judo's requirement to rotate one's opponent onto their back.)