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Sakio Chiba
Sakio Chiba
Native name	千葉幸生
Born	February 11, 1979 (age 45)
Hometown	Machida, Tokyo
Career
Achieved professional status	October 1, 2000 (aged 21)
Badge Number	237
Rank	7 dan
Teacher	Shigeru Sekine [ja] (9-dan)
Meijin class	C1
Ryūō class	5
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.

Early life and apprenticeship

Chiba was born on February 11, 1979, in Machida, Tokyo.^[1] 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.^[2] 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).^[2]

Chiba's promotion history is as follows:^[3]

Chiba's wife, Ryōko is a female shogi professional. The couple married in May 2003,^[4] and have two daughters.^[2]

^ "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.
^ ^a ^b ^c 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.
^ "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.
^ "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.

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