Rank in Judo first five are colored black, 6th, 7th, and 8th "dan" have alternating red and white panels (dandara), and for 9th, 10th "dan" and above, the belts are solid red. In judo's promotion system as originally finalized by Kanō around 1926 there was no maximal dan rank, and judoka holding 10th dan would normally wear a red belt, but also could wear a white belt, the same color as the lowest kyū rank. However, since the highest dan rank reached in judo for a living person or conferred posthumously remains 10th dan, any judo dan rank higher than 10th dan is
Judo in Canada 'forms of throwing') must be demonstrated during examinations beginning at "sankyū" (green belt). Finally, students are also expected to remain proficient in all techniques associated with their previous grades, and to develop an understanding of Judo's history and standard Japanese terms. The requirements for "dan" promotion are more demanding and cover age, time in current grade, points total, and how those points were earned. To test for black belt, a person must be at least 15 years old, have been an "ikkyū" (brown belt) for at least one year, been active in Judo for at least three years with a