4th Honinbo title 1947

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# 4th Honinbo title

## Preliminary tournament

A few games from earlier preliminaries.

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1946 | Kajiwara Takeo | Nakagawa Shinji | B+1.5 | 206 | sgf
1947 | Sometani Kazuo | Kato Shin | B+R | 163 | sgf
1947 | Maeda Nobuaki | Kajiwara Takeo | W+0.5 | 289 | sgf
1947 | Shimamura Toshihiro | Sakata Eio | B+3.5 | 275 | sgf
1947 | Miyashita Shuyo | Handa Dogen | W+R | 184 | sgf

The last preliminary
Shimamura Toshihiro | Hayashi Yutaro (B+R) | Hayashi Yutaro
Hayashi Yutaro
Fujisawa Kuranosuke | Handa Dogen (W+1.5)
Handa Dogen
Kitani Minoru | Kitani Minoru (B+5.5) | Kitani Minoru (W+11.5)
Hashimoto Utaro
Sometani Kazuo | Sometani Kazuo
Takagawa Kaku

## Challenger Playoff

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1947-07 | Kitani Minoru | Hayashi Yutaro | B+R | 169 | sgf
1947-08 | Hayashi Yutaro | Kitani Minoru | W+7.5 | 238 | sgf

## 4th Honinbo Title

This was the first title match played with komi (4.5).

date | black | white | result | #mv | sgf
--- | --- | --- | --- | --- | ---
1947-10-20..22 | Kitani Minoru | Iwamoto Kaoru | B+4.5 | 283 | sgf
1947-10-28..30 | Iwamoto Kaoru | Kitani Minoru | B+8.5 | 237 | sgf
1947-11-25..27 | Kitani Minoru | Iwamoto Kaoru | W+2.5 | 309 | sgf
1947-12-20..22 | Iwamoto Kaoru | Kitani Minoru | W+0.5 | 275 | sgf
1947-12-26..28 | Iwamoto Kaoru | Kitani Minoru | B+3.5 | 271 | sgf

Iwamoto Kaoru won with 3-2 (and was promoted to 8d afterwards).

## Go Seigen

Go Seigen was much stronger than the players in these Honinbo tournaments, but could not participate since, being Chinese, he had to withdraw as a member of Nihon Ki-in. He played a jubango with Hashimoto Utaro and won (6 won, 3 lost, 1 jigo). He played a jubango with Iwamoto Kaoru and won (7 won, 2 lost, 1 jigo). Afterwards he was promoted to 9d.