What are Mon, Kyu and Dan grades?
For players aged from 8 to 15 years, there are 18 grades known as Mon (junior) grades, denoted by coloured and banded belts.
From 16 years, Kyu (senior) skill grades apply and are again denoted by belts of different colours.
Players work through this grading system to reach the coverted black belt, 1st Dan.
There are higher Dan grade levels for the very dedicated.