Sakio Chiba
Sakio Chiba is a Japanese professional shogi player ranked 7-dan.Chiba was born on February 11, 1979, in Machida, Tokyo. He entered the Japan Shogi Association's apprentice school when he was a junior high school ninth-grade student in 1993 under the guidance of shogi professional at the rank of 6-kyū. He was promoted to 1-dan in 1995 and obtained full professional status and the rank of 4-dan in October 2000 after winning the 27th 3-dan league.Personal life
Chiba's wife, Ryōko is a female shogi professional. The couple married in May 2003, and have two daughters.Chiba's promotion history is as follows:
- 1993: 6-kyū
- 1995: 1-dan
- 2000, October 1: 4-dan
- 2004, April 1: 5-dan
- 2010, September 16: 6-dan
- 2018, February 6: 7-dan
