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Referees Clinic

John Osako
Chairman, IJF Refereeing Sub-Committee
Technical Director, Pan-American Judo Union
A good referee must have a sound knowledge of all judo throws and combinations of throws, and be able to evaluate them quickly and under all circumstances. It requires years of study, and experience both as competitor and as referee.

All Referees Clinic letters and articles were written by John Osako unless otherwise noted. The information here is historical and may not reflect current IJF rules or current interpretations of IJF rules.

To see the current International Judo Federation (IJF) rules go here.

While Chairman of the IJF Refereeing Subcomittee and Technical Director of the Pan-American Judo Union, Mr. Osako was a leading authority on international refereeing. While a few disagreed with his interpretation of the rules, there was no one who questioned his technical knowledge of refereeing.

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