Starts playing go at age 17 thanks to Jaap K. Blom (Shodan)
from the LgoC (Leiden Go Club)
Promoted to 1st dan by the NGoB (Dutch Go Association).
Promoted to 3rd dan by the NGoB, winner Leiden and Rotterdam tournaments.
Starts "trial" period at branch office Nihon Ki-In in Nagoya.
Accepted as "full" Insei (aspirant professional), Finishes 4th in
Insei league. (9 Insei at that time in Nagoya, 5 of which have
turned pro including Hane Naoki)
Finishes 3rd in Insei league.
Finishes 2nd in Insei league, quits Insei.
After moving to Tokyo helps Rob van Zeijst as go instructor.
Quits go altogether, picks up Mah Jong. (invited by this
After moving back to Nagoya area starts writing go articles
for magazines of the LgoC and NgoB.
Interviews go professionals including Go Seigen (article in
English at MSO).
Starts teaching go as a volunteer at Elementary schools in Nagoya.
Starts working as a go-instructor at the Gifu branch of the
Starts "Gentle Joseki".
Publishes go articles in Japanese for the Nagoya Ki-In,
the Gifu Newspaper. Igo Kansai, magazine of the Kansai Ki-In
and the Nagoya Chubu Keizai Newspaper.
Assistant coach (to Ito, 8p) of the pre-Insei children's go class
at the Nihon Ki-In.