WTF Competition Rules
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Article 3. Competition Area
The Competition Area shall measure 12m x 12m in metric system and have a flat surface without any obstructing projections. The Competition Area shall be covered with an elastic mat. However, the Competition Area may be installed on a platform 0.5m - 0.6m high from the base, if necessary, and the outer part of the Boundary Line shall be inclined with a gradient of less than 30' degrees for the safety of the contestants.
1. Demarcation of the Competition Area
  A. The 12m x 12m area shall be called the Contest Area, and a line 1m wide by the different color shall be marked on the inside from the marginal line of the contest area to call the attention of the contestants not to cross the boundary line.
  B. The demarcation of the Contest Area and the Alert Area shall be distinguished by different colors of the two areas' surface, or indicated by a white line 5cm wide when the entire surface is one color.
  C. The demarcating line between the Contest Area and the Alert Area shall be called the Alert Line and the marginal line of the Competition Area shall be called the Boundary Line.
2. Indication of Positions
  A. Position of the Referee
The position of the Referee shall be marked at a point 1.5m back from the center point of the Competition Area to the 3rd Boundary Line and designated as the Referee's Mark.
  B. Position of the Judges
The position of the 1st Judge shall be marked at a point 0.5m outwards from the center of the 1st Boundary Line facing towards the center point of the Competition Area and the position of the 2nd Judge shall be marked 0.5m outwards from the bottom corner of the 2nd Boundary Line facing the center of the Competition Area. The position of the 3rd Judge shall be marked at the opposite point of the 4th Boundary Line with the position of the 2nd Judge.
  C. Position of the Recorder
Position of the Recorder: The position of the Recorder shall be marked at a point 1.5m back from the position of the 1st Judge and 3m to the left.
  D. Position of the Commission Doctor
The position of the Commission Doctor shall be marked at a point 6m to the right side of the position of the Recorder.
  E. Position of the Contestants
The position of the Contestants shall be marked at a point 1m to the respective left and right sides from the center point of the Competition Area facing towards the position of the 1st Judge. The right side shall be the Blue Contestant's Mark and the left side shall be the Red Contestant's Mark.
  F. Position of the Coaches
Position of the Coaches: The position of the Coaches shall be marked at a point 1m away from the center point of the Boundary Line of each contestant's side.
  G. Position of the Inspection Desk
The position of the Inspection Desk shall be near the entrance of the Competition Area for inspection of the contestant's protective equipment.