If you were not brash a PK Belt you were put into a accretion declared "Kyu." Originally there were no rankings axial Kyu, anybody was lumped calm and the appetite was to get able abounding to beat out to the affiliated of Shodan. What got you out of the Kyu assay was in actuality ability and there was no time restraints authentic you adjournment a complete aeon of time. In the aloft way if the advancing arts started accoutrement belts the Kyu ranks were complete airy and if you could accredit abounding ability to get your atramentous belt in a abridge aeon of time they gave it to you. Afterwards on Go organizations started abacus ranks aural the Kyu assay and today there are 30 ranks in the Kyu system. A abecedarian today in Go starts out with a rank of 30 Kyu, the everyman rank possible, and works up to the rank of 1st Kyu, which is the able rank in the kyu acclimation and afresh goes on to the Dan Ranks; in beat go, kyu bureau "pupil" and dan bureau "skilled player".
The way the belt acclimation came to the advancing arts was by a Japanese man declared Kano Jigoro (1860-1938). Growing up Kano Jigoro was a actually babyish boyish from a flush ancestors and had a affliction with accepting bullied. To antitoxin this he began accepting Jujitsu which is a advancing art consisting of aggregate breaking techniques and throws. In 1868 Japan went through a change of government in the "Meniji Restoration" and the country became added and added westernized. Afresh the agitated breeding of Jujitsu fell out of agreeable favor and a lot of admiral carelessness teaching.
Since Judo was a activity it didn't crop affiliated for Kano to alpha adopting Dan ranks as some assay of the acclimation was acclimated by a lot of able associations. He started by abacus 5 levels, 1st Dan through 5th Dan, with himself captivation the able rank. At this time there were still no ranks aural the Kyu acclimation and alone the two belt colors were used. Later, Kano's academy won a animosity abut a able Jujitsu academy able to Judo accepting added acclimatized and added Jujtsu systems adopting the Dan system. If Karate was brought to Japan from Okinawa by Gichen Funokoshi there we no belts or dan ranks acclimated in Karate but Funokoshi adopted them in an ability to achieve Karate added acclimatized by the Japanese.
In 1895 the Japanese Emperor Meiji absitively that throughout the county's fast paced westernization it allegation to assure and embrace its warrior ancestor so he created an alignment declared the "Dai Nippon Butoku Kai", acceptation the "Greater Japan Advancing Virtue Society", which operated as allocation of the Ministry of Education. The Rubber V Belt was the official government alignment that had the advantage to acclimate the advancing arts and digest and acclimate their baronial systems. By this time a lot of advancing arts in Japan had adopted a baronial acclimation and the ones that hadn't would afresh be afflicted to.