Tadashi Ōishi

Tadashi Ōishi (大石 直嗣, Ōishi Tadashi, born September 16, 1989) is a Japanese professional shogi player ranked 7-dan.

Tadashi Ōishi
Ōishi at a November 2019 human shogi event in Himeji, Japan.
Native name大石直嗣
Born (1989-09-16) September 16, 1989
HometownYao, Osaka
Career
Achieved professional statusApril 1, 2009(2009-04-01) (aged 19)
Badge Number275
Rank7-dan
TeacherNobuo Mori (7-dan)
Meijin classB2
Ryūō class4
Websites
JSA profile page

Early life

Tadashi Ōishi was born in Yao, Osaka on September 16, 1989.[1] He learned how to play shogi from his father when he was a first-grade elementary school student.[2] He represented Osaka Prefecture in the 26th Elementary School Student Meijin Tournament in March 2001[3] and then entered the Japan Shogi Association's apprentice school in September of that same year at the rank of 6-kyū as a student of shogi professional Nobuo Mori.[4] He was promoted to the rank of 1-dan in July 2001.[4]

Ōishi was promoted to 3-dan in 2006 and finished the 40th 3-dan League (October 2006 – March 2009) tied for third place with a record of 13 wins and 5 losses.[5] The following season, Ōishi moved up to the number two position in the league table, but ended up finishing with a record of 7 wins and 11 losses.[6] In his third season of 3-dan League play, Ōishi finished with record of 12 wins and 6 losses, winning his last six games to finish tied for fourth place.[7] Ōishi finished the 43rd 3-dan league (April 2008 – September 2008) with a record of 13 wins and 5 losses, once again tying for third place.[8] He finally obtained full professional status and the rank of 4-dan in April 2009 after finishing second in the 44th 3-dan League (October 2008 – March 2009) with a record of 13 wins and 5 losses.[2][9]

Promotion history

The promotion history for Ōishi is as follows:[10]

  • 2001, September 25: 6-kyū
  • 2009, April 1: 4-dan
  • 2013, April 22: 5-dan
  • 2013, May 15: 6-dan
  • 2017, November 1: 7-dan

Awards and honors

Ōishi received the Japan Shogi Association Annual Shogi Award for "Best New Player" in 2013.[11]

References
  1. "Kishi Dētabēsu: Ōishi Tadashi" 棋士データベース: 大石直嗣 [Professional Shogi Player Database: Tadashi Ōishi] (in Japanese). Japan Shogi Association. Retrieved June 12, 2018.
  2. "Sawada Shingo･Ōishi Tadashi Shinyondan no Oshirase" 澤田真吾･大石直嗣 新四段誕生のお知らせ [Shingo Sawada and Tadashi Ōishi are the new 4-dans] (in Japanese). Japan Shogi Association. March 16, 2009. Retrieved June 12, 2018.
  3. "Dai Nijūrokkai Shōgakusei Meijinsen" 第26回小学生名人戦 [26th Elementary School Student Meijin Tournament] (in Japanese). Japan Shogi Association. 2001. Archived from the original on March 7, 2009. Retrieved June 12, 2018.
  4. "Kishi Meikan: Rokudan Ōishi Tadashi" 棋士名鑑: 六段 大石 直嗣 [Player Directory: Tadashi Ōishi 6-dan]. 平成26年版 将棋年鑑 2014 (Shogi Yearbook: Heisei 26 (2014) edition) (in Japanese). MyNabi Publishing/Japan Shogi Association. 2014. p. 572. ISBN 978-4-8399-5175-7. Retrieved June 12, 2018 – via Google Books.
  5. "Dai Yonjūkai Shōreikai Sandan Rīgusen" 第40回奨励会三段リーグ戦 [40th Apprentice School 3-dan League] (in Japanese). Japan Shogi Association. 2006. Retrieved June 12, 2018.
  6. "Dai Yonjūikkai Shōreikai Sandan Rīgusen" 第41回奨励会三段リーグ戦 [41st Apprentice School 3-dan League] (in Japanese). Japan Shogi Association. 2007. Retrieved June 12, 2018.
  7. "Dai Yonjūnikai Shōreikai Sandan Rīgusen" 第42回奨励会三段リーグ戦 [42nd Apprentice School 3-dan League] (in Japanese). Japan Shogi Association. 2007. Retrieved June 12, 2018.
  8. "Dai Yonjūsankai Shōreikai Sandan Rīgusen" 第43回奨励会三段リーグ戦 [43rd Apprentice School 3-dan League] (in Japanese). Japan Shogi Association. 2008. Retrieved June 12, 2018.
  9. "Dai Yonjūyonkai Shōreikai Sandan Rīgusen" 第44回奨励会三段リーグ戦 [44th Apprentice School 3-dan League] (in Japanese). Japan Shogi Association. 2008. Retrieved June 12, 2018.
  10. "Kishi Dētabēsu: Ōishi Tadashi Shōdan Rireki" 棋士データベース: 大石直嗣 昇段履歴 [Professional Shogi Player Database: Tadashi Ōishi Promotion History] (in Japanese). Japan Shogi Association. Retrieved June 12, 2018.
  11. "Kishi Dētabēsu: Ōishi Tadashi Shōgi Taishō" 棋士データベース: 大石直嗣 将棋大賞 [Professional Shogi Player Database: Tadashi Ōishi Annual Shogi Awards] (in Japanese). Japan Shogi Association. Retrieved June 12, 2018.
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