1. 
   Judan
   [Go] The Judan (十段)—which can be translated as "10 dan"—is a Go competition in Japan. It is one of the seven major professional titles. ==Biography== The Judan is a Go competition used by the Japanese Nihon-Kiin and Kansai-Kiin. It was started by the Sankei Shimbun newspaper in 1962....
   Found op http://en.wikipedia.org/wiki/Judan_(Go)
   
   
2. 
   judan
   tenth degree black belt
   Found op http://www.cocoabeachkarate.com/glossary.html
   
   

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