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General overview of grades

This ladder is not yet attributed to a specific organisation. Federations differ in belt colours and time requirements.

Gosoku-ryu Karate (Hard and Fast School), founded by Takayuki Kubota in 1953 in Tokyo (IKA), blends Shorin-ryu speed with Goju-ryu power. The 10 Kyu and 10 Dan cascade evaluates rapid direct blocking, Kubotan tactical keychain self-defense, foot sweeps, and original kata (Ryu-ko, Denko).

10th Kyu – White Belt

十級Rank #1
Typical gap since previous grade: 3 monthsestimate
Requirements & Focus

Basics of traditional stances and modern combat guard (Kamae).

Symbolism & Meaning

A new beginning with a mind pure as a blank canvas, ready to absorb dojo discipline.

9th Kyu – White Belt (Orange Stripe)

九級Rank #2
Typical gap since previous grade: 3 monthsestimate
Requirements & Focus

Proper biomechanics of movement and hip rotation in striking.

Symbolism & Meaning

Foreshadowing the energy and commitment that comes with the orange color.

8th Kyu – Orange Belt

八級Rank #3
Typical gap since previous grade: 4 monthsestimate
Requirements & Focus

Stability and understanding weight transfer. Introduction of roundhouse kicks.

Symbolism & Meaning

Orange is the fire born within the warrior. Awakening determination.

7th Kyu – Orange Belt (Blue Stripe)

七級Rank #4
Typical gap since previous grade: 5 monthsestimate
Requirements & Focus

First sparring exercises and working with real distance (Maai).

Symbolism & Meaning

The flame begins to absorb the water. The fire of emotions must be controlled by discipline.

6th Kyu – Blue Belt

六級Rank #5
Typical gap since previous grade: 6 monthsestimate
Requirements & Focus

Combinations of punches and kicks in motion. Increasing pad work intensity.

Symbolism & Meaning

Color of the ocean. Mind becomes more fluid and able to absorb harder hits.

5th Kyu – Blue Belt (Yellow Stripe)

五級Rank #6
Typical gap since previous grade: 6 monthsestimate
Requirements & Focus

Basics of full-contact free sparring and counter-timing.

Symbolism & Meaning

Dawn over the water, approaching full combat alertness.

4th Kyu – Yellow Belt

四級Rank #7
Typical gap since previous grade: 6 monthsestimate
Requirements & Focus

Preparatory conditioning. High kicks and fighting faster opponents.

Symbolism & Meaning

Golden middle. Shining confidence, the fire and sun of the warrior at full strength.

3rd Kyu – Green Belt

三級Rank #8
Typical gap since previous grade: 8 monthsestimate
Requirements & Focus

Head movement, smooth takedowns, and defense against boxing combinations.

Symbolism & Meaning

A developed tree with deep roots. Learning to absorb the wind (pressure).

2nd Kyu – Brown Belt

二級Rank #9
Typical gap since previous grade: 8 monthsestimate
Requirements & Focus

Hard test of isometric stamina. Full-contact sparring in K-1 style.

Symbolism & Meaning

Earth and stability. The practitioner maintains balance even under hard external pressure.

1st Kyu – Brown Belt (Black Stripe)

一級Rank #10
Typical gap since previous grade: 12 monthsestimate
Requirements & Focus

Final preparatory phase for the master rank. Tameshiwari (breaking boards).

Symbolism & Meaning

Shadow falls on the ground, heralding the birth of a master mind in dark robes.

1st Dan – Black Belt (Senpai)

初段Rank #11
Typical gap since previous grade: 12 monthsestimate
Requirements & Focus

10-man kumite test (full-contact fights against fresh opponents).

Symbolism & Meaning

Absolute beginning of mastery. Seidokaikan uses gold stripes on black belts for Dan ranks.

2nd Dan – Black Belt (Senpai)

二段Rank #12
Typical gap since previous grade: 24 monthsestimate
Requirements & Focus

20-man kumite test. Ring combat circular tactics.

Symbolism & Meaning

Two gold stripes signify unshakable body control in combat.

3rd Dan – Black Belt (Sensei)

三段Rank #13
Typical gap since previous grade: 36 monthsestimate
Requirements & Focus

Awarding of Teacher title (Sensei). Endurance test (30-man kumite).

Symbolism & Meaning

3 gold stripes. Leading Dojo and Seidokaikan training centers.

4th Dan – Black Belt (Sensei)

四段Rank #14
Typical gap since previous grade: 48 monthsestimate
Requirements & Focus

International Branch Chief.

Symbolism & Meaning

4 stripes. Technical wisdom and international examiner.

5th Dan – Black Belt (Shihan)

五段Rank #15
Typical gap since previous grade: 60 monthsestimate
Requirements & Focus

Earning the prestigious Shihan title. 50-man kumite test.

Symbolism & Meaning

Pillar of the organization, body and mind forged to perfection by full-contact combat.

6th Dan – Black Belt (Shihan)

六段Rank #16
Typical gap since previous grade: 72 monthsestimate
Requirements & Focus

Technical director of K-1 or Seidokaikan organization.

Symbolism & Meaning

Represents unprecedented development of tournament karate.

7th Dan – Black Belt (Shihan)

七段Rank #17
Typical gap since previous grade: 84 monthsestimate
Requirements & Focus

Lifelong master.

Symbolism & Meaning

Legends of full-contact ring battles and K-1 fighter training.

8th Dan – Black Belt

八段Rank #18
Typical gap since previous grade: 96 monthsestimate
Requirements & Focus

Exceptional honorary title awarded by the founder.

Symbolism & Meaning

Embodiment of the path of justice and truth (Seido = Right Path).

9th Dan – Black Belt

九段Rank #19
Typical gap since previous grade: 120 monthsestimate
Requirements & Focus

Co-founders and first students of Kazuyoshi Ishii.

Symbolism & Meaning

9 gold stripes - pillar of the Seidokaikan organization.

10th Dan – Black Belt (Kancho)

十段Rank #20
Typical gap since previous grade: 120 monthsestimate
Requirements & Focus

Title tied to Seidokaikan founder and K-1 creator: Kancho Kazuyoshi Ishii.

Symbolism & Meaning

Father of modern full-contact ring sports on a global scale.