Unyo-ho
Earlier in the Shorinji Kempo's history, Unyo-ho was called randori which was like a fighting competition. After many accidents during randori with no headgear, the organization researched and improved protecters including headgear, body protector (胴) and foul cup. A system of limiting each kenshi to one role of defense or offense was also introduced for the safety of kenshi.
Rating will be done not only by attacking points but also from the view point of defense techniques and counterattacks. Also the manner of kenshi is very important and to be considered when scoring.
(source: w:ja:少林寺拳法, in Japanese and Shoriji Kempo Kyohan)
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