is a Japanese professional shogi player ranked 8-dan.
Shogi professional
Promotion history Kobayashi's promotion history is as follows: 6-kyū: 1990 1-dan: 1993 4-dan: April 1, 1997 5-dan: April 1, 2001 6-dan: April 5, 2006 7-dan: October 12, 2011 8-dan: December 12, 2023
References
External links ShogiHub: Professional Player Info · Kobayashi, Hiroshi