Dan (rank) highest level that might be attained, with instructor certification and judge/judgment authorization being understood as higher-level or more sophisticated. Many arts use between one and ten dan ranks: In some martial arts, black belts are worn for all "dan" grades. In others, the highest grade (10th "dan") wears a red colored belt. In Jūdo and Shotokan 6th to 8th "dan" may wear a red and white-patterned belt and 9th to 10th "dan" may wear a solid red belt. There is some variation even within styles. Generally, belts do not have markings that indicate the actual "dan" grade. Okinawan styles used
Judo in the United Kingdom with Tani as its chief instructor. There are currently two state-wide Judo associations in the United Kingdom: the British Judo Association and the British Judo Council. The British Judo Association is the United Kingdom's official governing body for Judo and was established in 1948 under the chairmanship of Trevor Leggett. British citizens have won eighteen Olympic medals in Judo since it was added to the Summer games in 1964. Neil Adams is the United Kingdom's most successful judoka, winning silver in the -71 kg category in 1980, and in the -78 kg category in 1984. Two members of the United