Eiji Iijima

Eiji Iijima (飯島 栄治) is a Japanese professional shogi player ranked 8-dan.

Theoretical contributions
Iijima invented the Iijima Bishop Pullback strategy which is named after him. He received the 16th Masuda Award (April 2009 –March 2010) for developing the strategy.

Promotion history
Iijima's promotion history is as follows:
 * 6-kyū: 1991
 * 1-dan: 1995
 * 4-dan: April 1, 2000
 * 5-dan: September 7, 2004
 * 6-dan: September 11, 2008
 * 7-dan: October 22, 2010
 * 8-dan: February 2, 2021