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Prime Minister's Cup Finals

The Prime Minister's Cup High dans tournament (首相杯争奪高段者トーナメント) has been held 25 times, first in 1957, last in 1981. The Prime Minister after whom this event was named was Hatoyama Ichiro (1883-1959).

Participants were 5-7 dan, from Nihon Ki-in Tokyo only. Until 1974 the final was a single game. From 1975 on, the final was a best-of-three. Komi was 4.5 until 1974, 5.5 from 1975. Allotted time was 4h each.

# year winner opponent sgf
1 1957 Fujisawa Hideyuki Ohira Shuzo sgf
2 1958 Okubo Ichigen Kajiwara Takeo sgf
3 1959 Hasegawa Akira Shinohara Masami
4 1960 Ohira Shuzo Suzuki Goro sgf
5 1961 Kano Yoshinori Sakakibara Shoji sgf
6 1962 Hayashi Yutaro Okubo Ichigen sgf
7 1963 Sakakibara Shoji Shinohara Masami sgf
8 1964 Miwa Yoshiro Sakakibara Shoji sgf
9 1965 Otake Hideo Kageyama Toshiro sgf
10 1966 Hoshino Toshi Kageyama Toshiro sgf
11 1967 Suzuki Goro Oeda Yusuke sgf
12 1968 Ishida Yoshio Takagi Shoichi sgf
13 1969 Takagi Shoichi Ishigure Ikuro sgf
14 1970 Kojima Takaho Ishigure Ikuro sgf
15 1971 Takemiya Masaki Kurosawa Tadanao sgf
16 1972 Kobayashi Koichi Cho Chikun sgf
17 1973 Takemiya Masaki Kato Masao sgf
18 1974 Kobayashi Koichi Tozawa Akinobu sgf
19 1975 Takagi Shoichi Kojima Takaho 1 2 3
20 1976 Kobayashi Koichi Ishida Akira 1 2
21 1977 Awaji Shuzo Fukui Masaaki 1 2 3
22 1978 Nakamura Hidehito Kanashima Tadashi 1 2
23 1979 Haruyama Isamu Umeki Suguru 1 2
24 1980 Fukui Masaaki O Rissei 1 2 3
25 1981 Awaji Shuzo Kataoka Satoshi 1 2