is a Japanese professional shogi player ranked 6-dan.
Shogi professional Promotion history The promotion history for Yamamoto is as follows: 6-kyū: 1986 1-dan: 1989 4-dan: October 1, 1998 5-dan: November 5, 2004 6-dan: April 1, 2016
References
External links ShogiHub: Professional Player Info · Yamamoto, Shinnya [sic]