Sakio Chiba

Sakio Chiba
Native name千葉幸生
Born (1979-02-11) February 11, 1979 (age 47)
HometownMachida, Tokyo
Career
Achieved professional statusOctober 1, 2000(2000-10-01) (aged 21)
Badge number237
Rank7 dan
TeacherShigeru Sekine [ja] (9-dan)
Meijin classC2
Ryūō class5
Websites
JSA profile page

Sakio Chiba (千葉 幸生, Chiba Sakio; born February 11, 1979) is a Japanese professional shogi player ranked 7-dan. He is also an executive director of the Japan Shogi Association.

Early life and apprenticeship

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 Shigeru Sekine [ja] 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 (April 2000 – September 2000).

Shogi professional

Promotion history

Chiba's promotion history is as follows:

JSA director

Chiba was elected an executive director of the JSA at its 76th General Meeting in June 2025.

Personal life

Chiba's wife, Ryōko is a female shogi professional. The couple married in May 2003, and have two daughters.

References

  1. ↑ "Kishi Dētabēsu: Chiba Sakio" 棋士データベース: 千葉幸生 [Professional Shogi Player Database: Sakio Chiba] (in Japanese). Japan Shogi Association. Retrieved May 14, 2019.
  2. 1 2 3 Geneki Purō Kishi DētaBukku 2016 [Ge] Ta-Wa Gyō 現役プロ棋士データブック2016 [下] た-わ行 [2016 Active Shogi Professional Databook [Last volume] Letter "Ta" to letter "Wa"] (in Japanese). MyNabi Publishing/Japan Shogi Association. 2015. p. 4. ASIN B019SSNKVA. Retrieved May 14, 2019 – via Google Books.
  3. ↑ "Kishi Dētabēsu: Chiba Sakio Shōdan Rireki" 棋士データベース: 千葉幸生 昇段履歴 [Professional Shogi Player Database: Sakio Chiba Promotion History] (in Japanese). Japan Shogi Association. Retrieved May 14, 2019.
  4. ↑ "Nihon Shōgi Renmei Shiyakuin no Oshirase" 日本将棋連盟新役員のお知らせ [Announcement of New Japan Shogi Association Board Members]. Japan Shogi Association (in Japanese). June 6, 2025. Retrieved August 7, 2025.
  5. ↑ "Chiba Yondan･Usui Joryū Sandan, Kekkon e" 千葉四段･碓井女流三段, 結婚へ [Chiba 4-dan and Women's professional Usui 3-dan announce marriage] (in Japanese). Japan Shogi Association. May 26, 2003. Archived from the original on June 6, 2003. Retrieved February 16, 2018.