Rank in Judo a red-white paneled belt, and judokas who have attained the 9th Dan may wear a solid red belt. In some countries a red belt is used between the white and yellow belts to signify full membership of the judo club or the countries judo association. More commonly the red belt is, however, reserved only for 9th and 10th Dan practitioners. In some countries junior practitioners have an extra system in place to show the progress in between two kyū grades. The sub rank is symbolized by a small piece of fabric on the end of the belt. The colour of
Kosen judo ordinary contenders, a captain and a vice-captain, and five replacements in case of injuries or retirements. Every match is composed of a single, six-minute round, changed to an eight minute round when the contenders are captains or vice-captains. The league is hosted as a "kachi-nuki shiai", meaning every winner stays on the mat to face the next member of the rival team. At the end of the event, victory is given to the team with the highest numbers of matches won or with the last man on the field. Kosen judo Today, the term "kosen judo" is frequently used to