Ref Training Program Index

Judo Referee Training Course

(corrections, comments or questions - please contact Russ Scherer at This email address is being protected from spambots. You need JavaScript enabled to view it. )

Best of Best Video - 2019 World Championships


SPECIAL NOTE:  This training program is based on the SOR published on January 20, 2023 which has the most current rules. 

1) This material is continuously under construction.  Additional videos and other info will be added/modified.  Check back often.
2)  This course is embeded in the Ohio Judo, Inc. (OJI) Website.  The links on the right side of each page under "Ohio Judo" and "This Site"  as well as the "Prev" and "Next" buttons on the bottom of each page refer to the OJI website - NOT this "Judo Referee Training Course"  If you click any of those links, you will leave the training program.  You can use the "back arrow" on your browser or go to the right hand column - click on "Referee Training - IJF Rules and USA Judo Modifications" and you will be back in the training program.
3) Some of the external linked documents may contain some outdated information.  If they conflict with the "main body" of this training, usually the "main body" information should be correct.
4) This course is for your private use and use at clinics.  Some of the material is copywritten so please follow normal copywrite rules.


Special notes and codes used in this presentation: Bold print indicates current IJF Rules (official text).  When you click on a link to an external source, the best way to return to this training program is to close the link.  Some of the videos may take some time (up to several minutes) to download (please be patient).


I.       Introduction
A.   Purpose of the Course
B.   Methods of Instruction
C.   Limitations

II.     The Rules (Preface and Articles 1-8)
A.  Article 1 - Referees and Officials
B.  Article 2 - Position and Function of the Referee
C.  Article 3 - Role of Non-Officiating Referees

D.  Article 4 – Gestures
E.  Article 5 - Location (Valid Areas)
F.  Article 6 - Duration of the Contest
G.  Article 7 - Osaekomi Time
H.  Article 8 - Technique coinciding with the Time Signal

III.    The Rules (Articles 9-13)
A.  Article 9 - Start of the Contest
B.  Article 10 - Transition from Tachi-waza into Newaza (A) and from Ne-waza into Tachi-waza (B)
C.  Article 11 - Application of Mate
D.  Article 12 - Sono-mama
E.  Article 13 - End of Contest

IV.  The Rules (Articles 14-17)

A.  Article 14 - Ippon
B.  Article 15 - Waza-ari

C.  Article 16 - Waza-ari-awasete-Ippon
D.  Article 17 - Osaekomi-waza

V.     The Rules (Article 18)
A.  Article 18 - Prohibited Acts and Penalties

VI.    The Rules (Articles 19-21)
A.  Article 19 - Default and Withdrawal
BArticle 20 - Injury, Illness or Accident
C.  Article 21 - Situations not Covered by the Rules

VII.    Referee Standards
A.   Code of Conduct
B.   Referee Interaction with Others

VIII.    Referee Development
A.   Personal Referee Development Plan
B.   Advancing in Referee Certification Levels
C.   Referee Exam Evaluation Criteria

IX.   Additional Reference Materials
A.  Safe Sport Program, Background Check Application, Concussion Training
B.  Basic Referee Booklet
C.  Chief Referee Manual
D.  IJF Description of Rule Changes (video Jan. 2014)
E.  2015 IJF Referee-Coach Conference - Malaga, Spain (video)
F.  2016 IJF Referee-Coach Conference - Tokyo, Japan (video)
G.  2017 IJF Referee-Coach Conference - Baku, Azerbaijan (video)
H.  2017 IJF Ref-Coach Seminar (Baku) - USA Judo Final Report
I.  IJF Rules (2017-2020 Changes) with USA Judo Implementation Comments
J.  2018 IJF Ref-Coach Seminar (Mittersil, Austria) Part 1 (You Tube)
K.  2018 IJF Ref-Coach Seminar (Mittersil, Austria) Part 2 (You Tube)

L.  Explanatory Guide for the 2018 IJF Rule Changes (Jan. 19, 2018 Version)
M. IBSA Refereeing Rules (for Visually Impaired and/or Deaf Judoka) as of 5/16/18
N.  2019 IJF Ref-Coach Seminar (Mittersil, Austria) Part 1 (You Tube)
O.  2019 IJF Ref-Coach Seminar (Mittersil, Austria) Part 2 (You Tube)
P.  2019 IJF Video Clips Playlist - (Mittersil, Austria) (You Tube Videos)

Q.  2020 IJF Ref-Coach Seminar (Doha, Qatar) PowerPoint Presentation
R.  2020 IJF Ref-Coach Seminar (Doha, Qatar) - You Tube Video
S.  Explanatory Guide for IJF Rules (1/13/2020 version)
T.  Notes from the 2020 IJF & PJC Referee Sports Education Seminar (Bay Island, Honduras)
U.  USA Judo Ref Commission Tournament Roles and Responsibilities Guidance
V.  Video Seminar "The Basics of Judo Refereeing" by Rick Celotto - IJF-A Referee
W. Video Seminar Series "2020 Rules Review" by Rick Celotto - IJF-A Referee
X.  Zoom Clinic for Novice Referees - OJI Training Index - Part 2 by Russ Scherer - IJF-A Referee
Y.  You Tube Video Seminar Series "2020 Rules Review Part 2" by Rick Celotto - IJF-A Referee
Z.  Zoom Clinic for Referees and Others OJI Referee Training Index - Part 3 by Russ Scherer
AA. You Tube Video Seminar Series "2020 Rules Review Part 3" by Rick Celotto - IJF-A Referee
AB. You Tube Video Seminar Series "2020 Rules Review Part 4" by Rick Celotto - IJF-A Referee


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