4th Honinbo title

Preliminaries

The finals of the 1st preliminary were won by Shimamura Toshihiro, Hayashi Yutaro, Handa Dogen, and Sometani Kazuo.

These, together with Fujisawa Kuranosuke, Kitani Minoru, Hashimoto Utaro, and Takagawa Kaku played the 2nd (and last) preliminary.

The last preliminary
Shimamura Toshihiro	Hayashi Yutaro B+R 1947	Hayashi Yutaro
Hayashi Yutaro	Hayashi Yutaro B+R 1947
Fujisawa Kuranosuke	Handa Dogen W+1.5 1947
Handa Dogen	Handa Dogen W+1.5 1947
Kitani Minoru	Kitani Minoru B+5.5 1947-01	Kitani Minoru W+11.5 1947-07
Hashimoto Utaro	Kitani Minoru B+5.5 1947-01
Sometani Kazuo	Sometani Kazuo
Takagawa Kaku	Sometani Kazuo

Challengers' Final

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 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.