Part 1 of 3 · Conceptual frame

Why Every Elite Judoka Develops Their Own System

Judo as a series of questions, for the new student and the advanced one

Jason A. Hoffman, PhD · Version 1.7 · August 20, 2026 · 9 pages

The short front door to the series. It connects Kodokan pedagogy, competitive resistance, tokui-waza, and decision trees into one coaching architecture.

Central claim

Every action answers a question one level up, and through that chain every mature judoka develops a personal system inside Kodokan's common one.

What this part adds

One argument, at this resolution

Alternate edition

Japanese edition · 日本語版

Version 1.7 · 9 pages

Scope

A bridging essay and coaching architecture, not a scientifically validated optimal algorithm.

Los Gatos, California

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