Ryō Shimamoto

Ryō Shimamoto (島本 亮) is a Japanese professional shogi player ranked 6-dan.

Promotion history
The promotion history for Shimamoto is as follows:


 * 6-kyū: September 1993
 * 1-dan: May 1997
 * 4-dan: April 1, 2003
 * 5-dan: July 12, 2011
 * 6-dan: July 10, 2024