Kazushiza Horiguchi

is a Japanese professional shogi player ranked 8-dan.

Early life and apprenticeship Horiguchi was born in Tokyo Metropolis on February 28, 1975. He learned shogi around the age of ten after seeing a shogi set at his grandparents' house. Horiguchi entered the Japan Shogi Association's apprentice school as a pupil of shogi professional at the rank of 6-kyū in 1988. He was promoted to the rank of 1-dan in 1991, and entered the 3-dan League in 1993.

Shogi professional Horiguchi finished runner up in the 48th NHK Cup TV Shogi Tournament (1998) and the 8th (2000), losing in the finals both times to Yoshiharu Habu. He also finished runner up in the 30th Shinjin-Ō} (1999), losing to Takeshi Fujii 2 games to none.

Horiguchi's only shogi championship to date came in 2002 when he defeated Masataka Sugimoto 3 games to 1 to win the 20th ; he was, however, unable to defend his championship the following year, losing to Kōichi Fukaura by the same score in the finals of the 21st Asahi Open.

Promotion history Horiguchi's promotion history is as follows:

6-kyū: 1989 1-dan: 1991 4-dan: April 1, 1996 5-dan: October 14, 1999 6-dan: October 1, 2002 7-dan: April 1, 2004 8-dan: December 15, 2022

Titles and other championships Horiguchi has yet to appear in a major title match, but he has won one non-major title championship.

Awards and honors Horiguchi won the Japan Shogi Association's Annual Shogi Award for "Best New Player" in 1991.