Yasunaga Hajime
(1901-1994) Go writer, very strong amateur player.
Although he continued as an amateur, his status was of a professional who didn't claim the title. He played in the World Amateur Go Championship at age 80.
He trained many future professionals.
See Yasunaga's brilliant theory and his book Shin Fuseki-Ho.
Famous for being able to give more handicap stones to amateurs than professionals with a formally higher rank. (source: forgotten, Mindzine?, JohnF?) tderz
Yasunaga's Pupils
- Sakai Toshio
- Komatsu Hideki
- Yoshioka Kaoru
- Taniguchi Toshinori
- Yokoyama Koichi
- Takeuchi Kiyotaka
- Kageyama Toshiro
(Source: Kido Yearbook 1996)