Your Best Training Plan:
Kosen Judo Black
Belt System
The Black Belt System provides a step-by-step curriculum for Kosen Judo, starting with the basics and moving to advanced skills. By passing online evaluations, you can officially progress toward the black belt.
It’s the perfect training plan for anyone who wants to deeply learn Kosen Judo.
Start your Kosen Judo journey today!

What is Black Blet System
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Progress through six levels — clear requirements & skills at each level. Start at Sankyu Curriculum (Level 1)
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Online Knowledge Test (15 questions) — check your understanding.
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Kosen Judo & Judo history — short lessons to learn context and rules.
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Official Skill Evaluation (15–21 techniques) — submit your video and receive your results.
Black Belt Path: 4step
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Join Annual member ($120/yr) — Full access to 100+ videos and Promo Code for the Sankyu Curriculum.
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Buy Sankyu ($200) — Get the checklist and pass criteria.
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Train & record using the checklist (required angles, durations, and techniques).
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Book Evaluation ($200) — Submit your video and receive your results.
The Sankyu Curriculum ($200) and the Online Evaluation ($200) are separate purchases.
Membership renews annually at $120; cancel anytime before renewal.