JKF Renbukai organization established the All Japan Karatedo Federation (JKF) and made Shūdōkan its overall headquarters. The JKF appointed Choko Sai as chairman, Yasuhiro Konishi (Shindo Jinen-ryu) and Hiroshi Kinjo (Kanbukan) as vice-chairmen, Kanken Toyama and Hiroyasu Tamae (Otou-ryu) as Shihan, and Hironori Otsuka (Wado-ryu), Tatsuo Yamada (Nippon Kenpo Karate), Shinkin Gima (Shotokan-ryu), Isamu Tamotsu (Shorinji-ryu) and Tsuyoshi Chitose (Chito-ryu) as officers of JKF. In 1964, JKF made a new united league of the non-contact karate world with JKA (Shotokan), Wado-ryu , Goju-ryu and Shito-ryu. Old JKF handed over the name of JKF (Japan Karate Federation) to the new league and changed
Ryu Yoon-ji relay. Ryu failed to qualify for the final, as she finished her semifinal run with a second slowest time of 55.85 seconds. In her final event, 50 m freestyle, Ryu raced to fifth place in heat seven by 0.06 of a second behind Venezuela's Arlene Semeco in 26.26. Unlike her previous individual event, Ryu failed to advance into the semifinals, as she placed twenty-sixth out of 75 swimmers in the preliminary heats. She also tied her position with Puerto Rico's Vanessa García. Ryu Yoon-ji Ryu Yoon-ji (also "Ryu Yun-ji", ; born December 22, 1985) is a South Korean former swimmer,