Ryuen Cup
Keywords: Tournament
List of winners
Number Year Winner 1 1977 Kataoka Satoshi 2 1978 Kataoka Satoshi 3 1979 O Meien 4 1980 Kobayashi Satoru 5 1981 Kobayashi Satoru 6 1982 Hikosaka Naoto 7 1983 Tei Meiko 8 1984 Ogata Masaki 9 1985 Michael Redmond 10 1986 Cho Sonjin
The 10th tournament seems to have been the last one.