is a Japanese professional shogi player ranked 7-dan.
Professional shogi
Theoretical contributions
Shoshi has written a standard manual on shogi handicap josekis.
Promotion history
The promotion history for Shoshi is as follows: 5-kyū: 1978 1-dan: 1980 4-dan: June 27, 1985 5-dan: April 1, 1987 6-dan: October 29, 1992 7-dan: April 27, 2005
Awards and honors
Shoshi received the Japan Shogi Association's "25 Years Service Award" in 2010 for being an active professional for 25 years.
Xiangqi
Shoshi also plays xiangqi representing Japan in world tournaments and won the first prize in 1999, 2003, 2007, and 2015 in the non-Chinese/Vietnamese category.