Rules

All rules set forth are designed with the health and safety of the competitor in mind. Please read carefully and understand these rules before participating.

NUC technical rules are based on the IBJJF rule set.

Below are the NUC differences from IBJJF in Gi and No-Gi divisions.

ANY RULE NOT COVERED WILL BE LEFT AT THE DISCRETION OF THE TOURNAMENT MANAGEMENT.

  • Divisions without submissions are available for youth competitors ages 11 and under.
  • Purple belts are allowed to use all of the same submissions as brown and black belt divisions in the IBJJF rule book. Example: Toe holds, knee bars, calf slicers and bicep slicers.


  • Any color Gi is allowed.
  • Rash guards are allowed to be worn under the Gi.


  • Divisions without submissions are available for youth competitors ages 11 and under.
  • Advanced division competitors 18 and over are allowed to perform heel hooks.
  • Advanced division competitors 18 and over are allowed to knee reap.
  • Advanced division competitors 18 and over are allowed to apply a straight foot lock, turning in the direction of the foot not under attack.
  • Advanced division competitors 18 and over are allowed to apply locks that twist the knee.
  • Advanced division competitors 18 and over are allowed to perform toe holds applying outward pressure on the foot.
  • Advanced division competitors 18 and over are allowed to jump guard without grips.


  • Competitors are not allowed to compete shirtless.
  • A rash guard must be worn.
  • Any color rash guard is allowed.
  • Any color Spats or Vale Tudo shorts are allowed.
  • Any color “board short” style shorts are allowed.


  • You only have to weigh in once even if you are competing in Gi and No-Gi.
  • Gi competitors do not have to weigh in with their Gi on.
  • A one pound allotment will be given to competitors at weigh in to allow for calibration tolerances.


  • Ring areas are indicated by a 12’ x 12’ black square but it is not a boundary of the competition area.
  • If the competitors are outside of the designated black square the match will continue until the referee deems that they are in danger of colliding with other competitors or leaving the edge of the mat.
  • The referee can call “STOP” and restart the competitors in the same established position or from a standing position (if position was not established) in the center of the competition area.