Here is a quick guide to rank when registering for the tournament
10th Kyu- White Belt
8th Kyu Yellow
7th Kyu Orange
6th Kyu Purple
5th Kyu Blue
4th Kyu Green
3rd Kyu Brown no stripe
2nd Kyu Brown 1 stripe
1st Kyu Brown 2 stripes
Jr. Black Belt
Shodan- Adult Black Belt 1st degree
Nidan-Adult Black Belt 2nd Degree
Sandan – Adult Black Belt 3rd Degree