Detailed Explanation of the IJF Judo Refereeing Rules
Evaluation of the points in nage-waza
- • There will now only be ippon and waza-ari.
- • Ippon will be given when the contestant throws his opponent on the back, applying a technique or countering his opponent’s attacking technique, with considerable ability with maximum efficiency
- • “Ikioi” = momentum with both force and speed.
- • “Hazumi” = skillfulness with impetus, sharpness or rhythm.
- • Criteria for ippon:
- 1. Speed
- 2. Force
- 3. On the back
- 4. Skilfully control until the end of the landing
- • Rolling can be considered ippon only if there is no break during landing.
Evaluation of the points in tachi-waza
- • Waza-ari will be given when the four ippon criteria are not fully achieved.
- • The value of waza-ari includes those given for yuko in the past.
- • Two waza-ari are the equivalent of one ippon (waza-ari-awasete-ippon) and the contest will be finished.
Difference of the rolling makes the evaluation of the points:
it is ippon when uke rolls on his back:
The difference between rolling landings is considered in order to assign a score. waza-ari can be awarded when uke rolls on their side, lower back or shoulders.
The value of waza-ari includes those given for yuko and waza-ari in the past