What lies behind the form.

Kata, styles, techniques and the people of karate – connected and sourced.

What would you like to discover?

Explore a lineage

Style or person → relationship → source

Compare kata versions

Two concrete versions and their recorded differences

Find a technique

Technique → kata occurrence → movement and source

Understand connections

Two entries → explained path → evidence

Browse the atlas

Kata 型
- Sequence of a kata version
- Compare two versions
Styles 流派
- Where does a style come from?
- Splits and lineages
Techniques 技
- Where does a technique occur?
- Techniques by type
People 人物
- Who learned from whom?
- Founders of a style
Grades 段級位
- What does this belt colour mean?
- The same grade in five systems
History 歴史
- Karate through time
- Where do the sources contradict each other?
Terminology 用語
- What does a term mean?