Key Judo Rules

SCORING:
Ippon

To throw with control, force, speed and largely on the back (50%+) Back = top of neck to belt line
To apply Osaekomi for 25 seconds
When contestant submits to Shime or Kansetsuwaza or the effect is apparent

Awase-waza Awarded when a player successfully scores two Wazari points in same contest
Waza-ari

To throw with control but with one of the remaining three elements of Ippon missing
To apply Osaekomi for a period of 20 to less than 25 seconds

Yuko To throw with control but with two of the remaining three elements of Ippon lacking
To apply Osaekomi for a period of 15 to less than 20 seconds
Koka

To throw with control onto one shoulder, thigh or buttocks
To apply Osaekomi for a period of 10 to less than 15 seconds

 

PROHIBITED ACTS AND PENALTIES:
Shido Slight infraction or negative judo equivalent to a Koka for opponent
To intentionally avoid gripping (3-5 seconds)
To adopt an excessively (bent over) defensive posture (3-5 seconds)
Non-standard grip without attacking (3-5 seconds) includes hooking leg with no intent to throw
Standing with both feet in the danger zone with
out attacking (3-5 seconds)
From standing to hold sleeve(s) ends for a defensive purpose (3-5 seconds)
From standing to nterlock the opponent’s fingers of one or both hands for defense (3-5 seconds)
Non-combativity (20-25 seconds)
Intentional disarrangement of judogi, rearrange or retie without permission, retying of hair allowed 1X
To drag an opponent down into Newaza, usually from the ground
To insert fingers inside the opponents sleeve or pants, or to use Cat’s paw grip at sleeve end
Pistol Grip (Tachiwaza only)
False attack
Grabbing and holding pants without immediate Kuzushi effect on, or reaction by uke
Encircling any part of opponent with belt or jacket
To take Judogi in the mouth
Putting hand, arm, foot or leg in opponent’s face
To put a foot or leg in the opponent’s belt, collar or lapel
Chui

Serious infraction equivalent to a Yuko for opponent
To intentionally go outside the contest area or intentionally force opponent out
Shimewaza using the bottom of jacket or belt or using only fingers
Leg scissors with crossed feet and extension around head, neck or trunk
Kicking with knee or foot to break grip, or kicking while pretending to attack
Bending opponent’s fingers to break grip

Keikoku Grave infraction equivalent to a Waza-ari for opponent
To wind leg to throw backwards while facing same direction as opponent (Kawazugake)
Kansetsuwaza other than against elbow, includes rapidly applying pressure to the shoulder in Newaza
To lift opponent who is lying down, off the mat, then slam him back down
To reap the opponent’s supporting leg forward, from behind, to avoid being thrown
To disregard the referee’s instruction
Hansokumake Very grave infraction equivalent to an Ippon for opponent
To intentionally try to injure or endanger opponent neck, or spine
To fall directly to the mat while applying waki-gatame type of techniques
To dive head first into the mat while performing techniques including Kataguruma and Osotogari
Kataguruma with Tori diving to his back
Throwing with Kanibasami or with Kansetsuwaza that has been applied
To make unnecessary and derogatory remarks, or gestures to opponent or referee even after Soremade
Refusal to bow on and off mat or to opponent
Kikengachi Loss due to inability to continue (Results in opponent’s win)
Vomiting on mat prior to or during contest
Upon needing 3rd medical time out, or inability to continue due to inintentional injury, bleeding, loss or adjustment of contacts, also count as a medical time out



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