is a Japanese retired women's professional shogi player ranked 4-dan. She is a former representative director of the Ladies Professional Shogi-players' Association of Japan. She is also a former and title holder.
Promotion history Ishibashi's promotion history was as follows. 1993: Women's Professional Apprentice League 1993, October 1: 2-kyū 1995, April 1: 1-kyū 1996, April 1: 1-dan 1996, September 2: 2-dan 1999, June 29: 3-dan 2004, July 23: 4-dan
Note: All ranks are women's professional ranks.
Titles and other championships Ishibashi appeared in women's professional shogi major title matches nine times and won three titles. She won the 21st title in 1999, and the 18th and 19th titles in 2007 and 2008. In addition to major titles, Ishibashi won five JSA run shogi non-title tournaments, and two LPSA run non-title tournaments.
Major titles TitleYearsNumber of times overall19991200708 2
Other championships TournamentYearsNumber of times*1999, 2002, 20053*2002, 20052* (LPSA)20091* (LPSA)20111
Note: Tournaments marked with an asterisk (*) are no longer held or currently suspended.
Awards and honors Ishibashi received the Japan Shogi Association's Annual Shogi Awards for "Women's Professional of the Year" for the April 1999March 2000 shogi year, and the "Women's Professional Award" for the April 2002March 2003 shogi year.
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