30th Honinbo title 1975

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# 30th Honinbo title

## Preliminaries

The finals of the preliminaries were won by Sakakibara Shoji, Kada Katsuji, Ishii Kunio, and Takagawa Shukaku.

## League

In the first column the white player, on the top row the black player.

# | player | result | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
1. | Takemiya Masaki | 6-1 |  |  |  |  | W+R | W+R | W+R | W+3.5
2. | Sakata Eio | 6-1 | B+2.5 |  |  |  |  | W+R | W+R | W+4.5
3. | Kato Masao | 5-2 | W+R | B+R |  |  |  | W+R |  |
4. | Rin Kaiho | 5-2 | B+0.5 | B+5.5 | W+7.5 |  |  |  |  |
5. | Ishii Kunio | 2-5 |  | B+R | B+R | B+R |  |  |  |
6. | Sakakibara Shoji | 2-5 |  |  |  | B+R | B+4.5 |  | W+R | W+R
7. | Takagawa Kaku | 2-5 |  |  | B+R | B+R | W+R |  |  | W+R
8. | Kada Katsuji | 0-7 |  |  | B+7.5 | B+R | B+0.5 |  |  |

Kada Katsuji, Takagawa Kaku, Sakakibara Shoji and Ishii Kunio are demoted.

## Challenger Playoff

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1975-05-08 | Takemiya Masaki | Sakata Eio | W+R | 252 | sgf

## 30th Honinbo Title

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1975-05-15,16 | Ishida Yoshio | Sakata Eio | W+R | 224 | sgf
1975-05-28,29 | Sakata Eio | Ishida Yoshio | B+3.5 | 312 | sgf
1975-06-09,10 | Ishida Yoshio | Sakata Eio | B+5.5 | 269 | sgf
1975-06-16,17 | Sakata Eio | Ishida Yoshio | B+R | 167 | sgf
1975-06-26,27 | Ishida Yoshio | Sakata Eio | B+R | 213 | sgf
1975-07-09,10 | Sakata Eio | Ishida Yoshio | W+4.5 | 239 | sgf
1975-07-21,22 | Sakata Eio | Ishida Yoshio | W+21.5 | 283 | sgf

Ishida Yoshio won with 4-3.