Ryōko Chiba

Ryōko Chiba (千葉 涼子 Chiba Ryōko, née 涼子碓井 Ryōko Usui,[1] born April 21, 1980) is a Japanese women's professional shogi player ranked 4-dan.[2] She is a two-time winner of the Women's Ōshō title.

Ryōko Chiba
Native name千葉 涼子
Maiden nameUsui (碓井)
Born (1980-04-21) April 21, 1980
HometownToyama Prefecture
NationalityJapanese
Career
Achieved professional statusOctober 1, 1994(1994-10-01) (aged 14)
Badge NumberW-17
RankWomen's 4-dan
TeacherNoboru Sakurai (8-dan)
Major titles won2
Tournaments won1
Websites
JSA profile page

Shogi professional

Chiba's (then known as Ryōko Usui) first appearance in a women's professional shogi major title match came in 1998 when she challenged Ichiyo Shimizu for the 6th Kurashiki Tōka Cup; Chiba lost the match 2 games to 1.[3] That same year Chiba also challenged Shimizu for the 25th Women's Meijin, but once again lost (3 games to 1).[4][5]

In 1999 and 2000, Chiba yet again challenged Shimizu in a major title matches. She lost the 10th and 11th Women's Ōi title matches respectively by the scores of 3 games to 1 and 3 games to none.[6][7] Later in 2000, Chiba won her first tournament as a women's professional when she defeated Hiroe Nakai 3 games to 1 to win the 5th Kajima Cup.[8] Chiba and Nakai met once again the following year in the finals of the 6th Kajima Cup Tournament, but this time Nakai won 3 games to 1.[9]

In 2002, Chiba challenged Nakai for the 29th Women's Meijin title and was leading the match 2 games to 1 after three games. Chiba was, however, unable to pick up the third win she needed to capture the title, and Nakai came back to win the match 3 games to 2.[10] Chiba once again challenged for the Women's Meijin title in 2004, but lost the 31st Women's Meijin match to Shimizu 3 games to 1.[11]

Chiba finally won her first women's professional shogi major title in June 2005 when she defeated Nakai 3 games to none to win the 27th Women's Ōshō title.[12][13][14] The following year, Nakai once again challenged Chiba in the 28th Women's Ōshō title match, but this time it was Chiba coming back to win Games 4 and 5 to successfully defend her title 3 games to 2.[15] Chiba defended her Women's Ōshō against Shimizu in 2007 and started well by winning Game 1, but Shimizu won the next three games to capture the 29th Women's Ōshō match 3 games to 1.[16][17]

Personal life

Chiba's husband, Sakio Chiba is also a shogi professional. The couple married in May 2003,[1] and have two daughters.[18]

Promotion history

Chiba has been promoted as follows:[19]

Note: All ranks are women's professional ranks.

Titles and other championships

Chiba has appeared in major title matches nine times and has won a total of two titles.[20] In addition to major titles, Chiba has won one other shogi championship.[21]

Major titles
TitleYearsNumber of times overall
Women's Ōshō 2005–06 2

Other championships
TournamentYearsNumber of times
*Kajima Cup 2000 1

Note: Tournaments marked with an asterisk (*) are no longer held or currently suspended.

Awards and honors

Chiba received the Japan Shogi Association's "Women's Professional" Annual Shogi Award for the April 2005 – March 2006 shogi year.[22]

References
  1. "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.
  2. "Joryū Kishi Dētabēsu" 女流棋士データベース [Women's Professional Shogi Player Database] (in Japanese). Japan Shogi Association. Retrieved August 13, 2019.
  3. "Ōyama Meijinhai Kurashiki Tōkasen: Kako no Kekka" 大山名人杯倉敷藤花戦: 過去の結果 [Ōyama Meijin Cup Kurashiki Tōka Tournament: Past results] (in Japanese). Japan Shogi Association. Retrieved August 23, 2019.
  4. "Dai Nijūgoki Joryū Meijinisen Goban Shōbu" 第25期女流名人位戦五番勝負 [25th Women's Meijin Best-of-Five Match] (in Japanese). Japan Shogi Association. Archived from the original on October 22, 1999. Retrieved August 23, 2019.
  5. "Okada Bijūtsukanhai Joryū Meijinsen: Kako no Kekka" 岡田美術館杯女流名人戦: 過去の結果 [Okada Art Cup Museum Women's Meijin Tournament: Past results] (in Japanese). Japan Shogi Association. Retrieved August 23, 2019.
  6. "Joryū Ōisen: Kako no Kekka" 女流王位戦: 過去の結果 [Women's Ōi Tournament: Past results] (in Japanese). Japan Shogi Association. Retrieved August 23, 2019.
  7. "Dai Jūikkai Joryū Ōisen" 第11期女流王位戦 [11th Women's Ōi Tournament] (in Japanese). Japan Shogi Association. 2000. Retrieved August 23, 2019.
  8. "Dai Gokai Kashimahai Joryū Shōgi Tōnamento" 第5回 鹿島杯女流将棋トーナメント [5th Kashima Cup Women's Shogi Tournament] (in Japanese). Japan Shogi Association. 2000. Retrieved August 23, 2019.
  9. "Dai Rokkai Kashimahai Joryū Shōgi Tōnamento" 第6回 鹿島杯女流将棋トーナメント [6th Kashima Cup Women's Shogi Tournament] (in Japanese). Japan Shogi Association. 2001. Retrieved August 23, 2019.
  10. "Dai Nijūkyūki Aruzehai Joryū Meijinisen" 第29期アルゼ杯女流名人位戦 [29th Aruze Cup Women's Meijin Tournament] (in Japanese). Japan Shogi Association. 2003. Retrieved August 23, 2019.
  11. "Dai Sanjūikki Aruzehai Joryū Meijinisen" 第31期アルゼ杯女流名人位戦 [29th Aruze Cup Women's Meijin Tournament] (in Japanese). Japan Shogi Association. 2003. Retrieved August 23, 2019.
  12. "Dai Nijūnanaki Joryū Ōshōsen" 第27期 女流王将戦 [27th Women's Ōshō Tournament] (in Japanese). Japan Shogi Association. 2005. Retrieved August 23, 2019.
  13. "Chiba Joryū Sandan, Hatsu Taitoru!!" 千葉女流三段, 初タイトル!! [Women's professional Chiba 3d wins first major title!!] (in Japanese). Igo & Shogi Channel. June 6, 2005. Retrieved August 23, 2019.
  14. Furukawa, Tetsuo, ed. (September 2014). "Joryū Kikai no Yonjū Shūnen" 女流棋界の40周年 [40 years of Women's Professional Shogi]. Shogi World (in Japanese). MyNabi Publishing/Japan Shogi Association. p. 26. Retrieved August 23, 2019 – via Google Books.
  15. "Dai Nijūhakki Joryū Ōshōsen" 第28期 女流王将戦 [28th Women's Ōshō Tournament] (in Japanese). Japan Shogi Association. 2006. Retrieved August 23, 2019.
  16. "Dai Nijūkyūki Joryū Ōshōsen" 第29期 女流王将戦 [29th Women's Ōshō Tournament] (in Japanese). Japan Shogi Association. 2005. Retrieved August 23, 2019.
  17. "Dai Nijūkyūki Joryū Ōshōsen Goban Shōbu, Shimizu Joryū Ōi, Dasshu" 第29期女流王将戦五番勝...清水女流王位, 奪取 [29th Women's Ōshō Best-of-Five Match... Women's Ōi Shimizu takes title.] (in Japanese). Igo & Shogi Channel. June 21, 2007. Retrieved August 23, 2019.
  18. 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.
  19. "Joryū Kishi Dētabēsu: Chiba Ryōko Shōdan Rireki" 女流棋士データベース: 千葉涼子 昇段履歴 [Women's Professional Shogi Player Database: Ryōko Chiba Promotion History] (in Japanese). Japan Shogi Association. Retrieved August 23, 2019.
  20. "Joryū Kishi Dētabēsu: Chiba Ryōko Taitoru Rireki" 女流棋士データベース: 千葉涼子 タイトル履歴 [Women's Professional Shogi Player Database: Ryōko Chiba Major Title History] (in Japanese). Japan Shogi Association. Retrieved August 23, 2019.
  21. "Joryū Kishi Dētabēsu: Chiba Ryōko Yūshō Rireki" 女流棋士データベース: 千葉涼子 優勝履歴 [Women's Professional Shogi Player Database: Ryōko Chiba Championship History] (in Japanese). Japan Shogi Association. Retrieved August 23, 2019.
  22. "Joryū Kishi Dētabēsu: Chiba Ryōko Shōgi Taishō" 女流棋士データベース: 千葉涼子 将棋大賞 [Women's Professional Shogi Player Database: Ryōko Chiba Annual Shogi Awards] (in Japanese). Japan Shogi Association. Retrieved August 23, 2019.
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