Mamoru Hatakeyama

is a Japanese professional shogi player ranked 8-dan.

Early life and apprenticeship Hatakeyama was born in Kanagawa Prefecture on June 3, 1969. He earned how to play shogi when he was seven years old after watching his eldest brother playing against his father.

On September 11, 2023, Hatakeyama became the 60th professional player to win 600 official games.

Promotion history Hatakeyama's promotion history is as follows: 6-kyū: 1984 1-dan: 1986 4-dan: October 1, 1989 5-dan: December 24, 1993 6-dan: April 27, 1999 7-dan: April 1, 2006 8-dan: September 12, 2019

Awards and honors In 2014, Hatakeyama received the Japan Shogi Association's "25 Years Service Award" for being an active professional for twenty-five years. In September 2023, he was awarded the JSA's "Shogi Honor Award"for winning 600 official games.