Promotion History
- 1982, December 2: 6-kyu
- 1983, February 2: 5-kyu (6 wins, 3 losses)
- 1983, March 28: 4-kyu (6 wins, no losses)
- 1983, May 11: 3-kyu: (6 wins, no losses)
- 1983, July 7: 2-kyu: (6 wins, no losses)
- 1983, August 24: 1-kyu: (6 wins, no losses)
- 1984, January 11: 1-dan (12 wins, 4 losses)
- 1984, September 10: 2-dan (14 wins, 5 losses)
- 1985, April 25: 3-dan (12 wins, 4 losses)
- 1985, December 12: 4-dan (13 wins, 4 losses)
- 1988, April 1: 5-dan (promoted to C1-class Meijinsen)
- 1989, October 1: 6-dan (being the Ryu-oh challenger)
- 1990, October 1: 7-dan (being Ryu-oh title holder himself)
- 1993, April 1: 8-dan (promoted to A-class Meijinsen)
- 1994, April 1: 9-dan (one year after of 8-dan promotion, having got qualified earlier to the 9-dan on accumulation of three major titles)
Read more about this topic: Yoshiharu Habu
Famous quotes containing the words promotion and/or history:
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—Frank Pittman (20th century)
“Considered in its entirety, psychoanalysis won’t do. It’s an end product, moreover, like a dinosaur or a zeppelin; no better theory can ever be erected on its ruins, which will remain for ever one of the saddest and strangest of all landmarks in the history of twentieth-century thought.”
—Peter B. Medawar (1915–1987)