[NOT FOR THE FEINT OF HEART] Some white belts and even higher belts go into Jiu Jitsu competition not fully aware of the rules of the game. If you are competing in the IBJJF or an organization that uses their rules, it can prove to be quite exhausting learning every nuanced detail. That being said, you should at least start out by knowing how you can be disqualified in competition. Learning the most egregious errors of our game is important for your safety, and the safety of your opponent.
These videos show the consequences that occur when people utilize maneuvers that are not allowed. Great job Hello Japan for putting these together!
Below is the IBJJF Table of technical fouls and illegal moves.