Rules and Regulations

Competition Court

Article 1
The competition court shall be a matted square or a wooden flat square with sides of 8 meters in length.

競技場の画像

Official Uniform

Article 2
  • 1. Competitors, coaches, referees, and judges must wear the official uniform as prescribed in each of the following items.
    • (1) Competitors shall wear a plain white karate-gi. However kobudo competitors are also allowed to wear black or brown karate-gi. Wearing hakama (divided skirt used in other martial arts) is not permitted.
    • (2) It is permitted to have ryuha/kaiha emblems, country flags (excluding the Prefectural Emblem of Okinawa), and national emblems on only left chest of karate-gi. Any other letters, emblems, labels, etc., shall not be allowed to be attached to any other parts. However, that does not apply to trademark labels or manufactures that have been already processed on the karate-gi.
    • (3) A competitor number issued by The 1st Okinawa Karate World Junior Tournament Executive Committee (hereinafter referred to as “Executive Committee”) must be attached on the back of the karate-gi.
    • (4) Boys are not allowed to wear T-shirts, etc. under the karate-gi jacket. However, girls must wear white plain T-shirt or plain T-shirt that is the same color as the karate-gi, under the karate-gi jacket.
    • (5) The karate-gi jacket, when tightened around the waist with the belt, must be no longer than mid-thigh length.
    • (6) The length of the jacket sleeves must be no longer than the bend of the wrist and no shorter than the middle between the elbow and the wrist. Jacket sleeves must not be rolled up to the front side. When folded, it shall be folded and sewn on the reverse side.
    • (7) The trousers must be long enough to cover at least two-thirds of the shin and at the longest, the ankles should not be hidden. The trousers must not be rolled up to the front side. When folded, it shall be folded and sewn on the reverse side.
    • (8) Red belts and red-white belts are not allowed (white belts are acceptable).
    • (9) If he/she wears eyeglasses, such measures must be taken to prevent them from falling.
    • (10) Wearing accessories is prohibited (hachimaki, hair clips, bracelets, earrings, etc.). However, moderately colored rubber for tying hair is allowed.
    • (11) Use of bandages, metal elastic clips, etc., due to injuries may be only worn with the diagnosis of the doctor and permission of the Executive Committee.
    • (12) The coach shall, wear a karate-gi and arm band on his/her left or right bicep at all times during the tournament.
    • (13) The referees shall wear a dark navy blue blazer jacket, gray trousers, and a white short-sleeve shirt, with black socks and indoor black shoes, and the tie designated by the Executive Committee.
  • 2. Those who fail to comply with the regulations up to the preceding paragraph may be disqualified from entry qualifications.

Organization of the Competition

Article 3
  • 1. The competition consists of five individual Kata categories, separated as: Boys and Girls I, Boys and Girls II, Boys and Girls III, Boys I, Girls I respectively.
  • 2. The competition will be carried out in four sections consisting of Shuri-te kei /Tomari-te kei, Naha-te kei, Uechi-ryu kei and Kobudo (Bo).

The Referee Panel

Article 4
  • 1. The panel of six judges (1 referee, 4 judges, and 1 auditor) or eight judges (1 referee, 6 judges, 1 auditor) for each match will be designated by the Chief Referee before the match.
  • 2. The Chief Referee may appoint several score-keepers, callers and announcers to facilitate the smooth operation of the competition.

Competition Procedure

Article 5
  • 1. The competition will be conducted by a scoring system. In the scoring system, each competitor performs Kata and the ranking, victory or defeat, is determined according to the score indicated by the referee panel.
  • 2. The preliminary rounds in Okinawa will be implemented as follows.
    • (1) In the first round, the ranking is decided by a scoring system, and the separately specified number of the highest-ranking competitors can advance to the second round.
    • (2) The second round will be conducted by scoring single-elimination system, and separately specified number of the highest-ranking competitors can advance to the main tournament.
  • 3. The ranking of the preliminary rounds for overseas and mainland Japan will be conducted by a scoring system, and separately specified number of the highest-ranking competitors can advance to the main tournament.
  • 4. The main tournament will be conducted by a scoring system.

Scoring System

Article 6
  • 1. In the scoring system, the scores and rankings of each competitor are determined according to the following items.
    • (1) The score of each competitor shall be the total of scores indicated by the referee and the judges, excluding the highest and lowest scores.
    • (2) In the case that several competitors obtained the same score on the entry line of the next match advancement, the lowest point excluded in the previous issue is added and the ranking is decided based on the total score. If further several competitors are still tied with the same score, the highest points excluded in the previous issue shall be further added and the total score shall be used to determine the ranking.
    • (3) Regarding previous issue, if further several competitors are still tied with the the same score, the competitors will perform play-off, and the ranking will be decided based on the rules up to the 2nd issue. In this case, it is not allowed to select the same Kata as the ones previously performed.
    • (4) Nevertheless, if several competitors are still tied with the same score according to the method up to the previous issue, the ranking shall be decided by consultation of the referee panel.
  • 2. The procedures of the competition in the scoring system are as follows.
    • (1) The competitor stands at the boundary line of the competition court, bows to the front, and then advances to the starting position.
    • (2) Reaching the starting position, the competitor bows, then gives the name of Kata to be performed, and starts the performance. After the performance ends, the competitor bows, turns over and exits the court, stands at the boundary line of the court, then waits for judgment by the judges.
    • (3) The referee and the judges shall simultaneously show the scoring boards based on the whistle signal of the referee.
    • (4) After the caller announces the score and confirms that it was recorded, the referee and the judges raise down the scoring boards based on the whistle signal of the referee.

Kata Selection

Article 7
  • 1. The Kata to be performed in each section shall be the traditional Okinawa karate and kobudo Kata acknowledged by the Executive Committee and selected from the following.
    • (1) Shuri-te kei/Tomari-te kei : Appendix 1
    • (2) Naha-te kei : Appendix 2
    • (3) Uechi-ryu kei : Appendix 3
    • (4) Kobudo (Bo) : Appendix 4
  • 2. In the Shuri-te kei/Tomari-te kei, Naha-te kei and Uechi-ryu kei sections, the same Kata may be demonstrated consecutively in the Boys and GirlsⅠ and Boys and GirlsⅡ categories. In the case of Boys and GirlsⅢ, BoysⅠ and GirlsⅠcategories for the preliminary rounds in Okinawa, a competitor can perform the same Kata in the first round of the single-elimination matches that he/she performed in the first round. Also, a competitor can repeat a Kata in the first round of the main tournament which he/she performed as the last Kata for the preliminary rounds in Okinawa and mainland Japan/overseas. However, otherwise the same Kata can not be demonstrated consecutively.
  • 3. In the Kobudo (Bo) section, the same Kata may be demonstrated consecutively in the Boys and Girls II and Boys and Girls III categories. In the case of Boys I and Girls I categories for the preliminary rounds in Okinawa, a competitor can perform the same Kata in the first round of the single-elimination matches that he/she performed in the first round. Also, a competitor can repeat a Kata in the first round of the main tournament which he/she performed as the last Kata for the preliminary rounds in Okinawa and mainland Japan/overseas. However, otherwise the same Kata can not be demonstrated consecutively.

Criteria for judgment

Article 8
The referee makes an evaluation based on the judgment criteria described separately from these Competition Rules and Regulations.

Others

Article 9
  • 1. In the Kobudo (Bo) section, the Bo used in Boys and Girls II and Boys and Girls III categories shall be made of wood (excluding bamboo), round in shape, at least 10 cm longer than competitor's height or longer than 180 cm in length. The weight of the Bo shall not be limited.The Bo used in Boys I and GirlsⅠcategories shall be made of hardwood such as oak and ebony, round in shape, at least 10 cm longer than competitor's height or longer than 180 cm in length and weigh at least 750 g.
  • 2. No modifications are permitted for Bo, such as engraving for slip prevention and embedding the iron core for gravitational movement.
  • 3. Competitors must go through an inspection of Bo to be used beforehand; once they pass the inspection, a seal indicating the inspection will be stuck on the weapons.

Supplementary Rules

Article 10
In addition to what is specified in these Competition Rules and Regulations, the Executive Committee sets necessary matters separately.