Sekiyama Riichi
関山利一
Sekiyama Riichi (1909/01/01 - 1970/01/31) was the winner of the first Honinbo title match in 1941 after a 3-3 tie with Kato Shin was resolved by awarding the title to the player with the better win/loss record in the qualifying tournament. In that tournament, Sekiyama Riichi at 6-3 versus Kato Shin at 5-4.
Sekiyama dropped out of the title defence in 1943 against Hashimoto Utaro because of bad health, which effectively ended his career.
Sekiyama Riichi's pupils
- Kajiwara Takeo
- Sekiyama Toshio
- Koyama Yasuo
- Yamazaki Masuo
- Shiraishi Yutaka
- Tokunaga Hirohisa
- Ota Seido
- Kishimoto Kazuo
- Kurahashi Shozo
- Nishizawa Katsuaki
- Yoshida Takuji
- Mikawa Shinji
- Ito Kazuteru
- Tabuchi Koichi
(Source: 1996 Kido Yearbook)