Rank in Judo judo association. For a rank to be recognized, it must be registered with the national judo organization or the Kōdōkan. In Japan, the use of belt colors is related to the age of the student. Some clubs will only have black and white, others will include a brown belt for advanced kyū grades and at the elementary school level it is common to see a green belt for intermediate levels. In Europe the belt system is white, yellow, orange, green, blue, brown and black for both senior and junior practitioners. Judokas who have attained the 6th Dan may also use
Judo at the 2008 Summer Olympics men, 147 women and 22 places not yet allocated to a gender. An NOC may enter up to one athlete per weight category. The qualifying places will be allocated as follows: Continental qualification places will be allocated through the ranking system based on the major tournaments on the continent (continental championships, qualification tournaments). More important tournaments and tournaments closer to the Olympics will carry more points. Deadline for the unions to confirm the places was May 21, 2008. Judo at the 2008 Summer Olympics Judo competitions at the 2008 Summer Olympics in Beijing were held from August 9 to August