The Prime Minister Cup was a Go competition.
Outline
The Prime Minister Cup ran from 1961 to 1981. It was used by the Nihon Ki-in The first 18 titles were decided in a knockout tournament. The last two years, the format was changed to a best-of-three match between finalists from a large knockout.
Past Winners & Runner Up's
| Player | Years Held |
|---|---|
| Kano Yoshinori | 1961 |
| Hayashi Yutaro | 1962 |
| Sakakibara Shoji | 1963 |
| Miwa Yoshiro | 1964 |
| Otake Hideo | 1965 |
| Hoshino Toshi | 1966 |
| Suzuki Goro | 1967 |
| Ishida Yoshio | 1968 |
| Takagi Shoichi | 1969, 1975 |
| Kojima Takaho | 1970 |
| Takemiya Masaki | 1971, 1973 |
| Kobayashi Koichi | 1972, 1974, 1976 |
| Awaji Shuzo | 1977, 1981 |
| Nakamura Hidehito | 1978 |
| Haruyama Isamu | 1979 |
| Fukui Masaki | 1980 |
| Player | Years Lost |
|---|---|
| Sakakibara Shoji | 1961, 1964 |
| Okubo Ichigen | 1962 |
| Shinohara Masami | 1963 |
| Kageyama Toshiro | 1965, 1966 |
| Oeda Yusuke | 1967 |
| Takagi Shoichi | 1968 |
| Ishigure Ikuro | 1969, 1970 |
| Kurosawa Tadanao | 1971 |
| Cho Chikun | 1972 |
| Kato Masao | 1973 |
| Tozawa Akinobu | 1974 |
| Kojima Takaho | 1975 |
| Ishida Akira | 1976 |
| Fukui Masaki | 1977 |
| Kanashima Tadashi | 1978 |
| Umeki Suguru | 1979 |
| O Rissei | 1980 |
| Kataoka Satoshi | 1981 |