Tadahisa Maruyama

Tadahisa Maruyama (丸山 忠久, Maruyama Tadahisa, born September 5, 1970) is a Japanese professional shogi player, ranked 9-dan. He is a former Meijin and Kiō title holder.[1]

Tadahisa Maruyama
Native name丸山忠久
Born (1970-09-05) September 5, 1970
HometownKisarazu
NationalityJapanese
Career
Achieved professional statusApril 1, 1990(1990-04-01) (aged 19)
Badge Number194
Rank9-dan
TeacherYūji Sase (Honorary 9-dan)
Major titles won3
Tournaments won12
Meijin classB1
Ryūō class2
Websites
JSA profile page

Early life

Maruyama was born in Kisarazu, Chiba on September 5, 1970.[2] He won the 9th Junior High School Student Shogi Meijin Tournament in 1984,[3] and the following year entered the Japan Shogi Association's apprentice school at the rank of 6-kyū as a protegee of shogi professional Yūji Sase. He was promoted to the rank of 1-dan in 1986 and achieved professional status and the rank of 4-dan in April 1990.[4]

Shogi professional

Maruyama's first tournament championship as a professional came in came in 1994 when he defeated Masataka Gōda 2 games to none to win the 25th Shinjin-Ō tournament.[4][5] Maruyama successfully defended his championship the following year by defeating Kōichi Fukaura 2 games to 1 in the 26th Shinjin-Ō match which made him the first person to win the tournament in consecutive years.[5][6] Maruyama, however, was unable to repeat his success for a third consecutive year when he lost the 27th Shinjin-Ō match 2 games to 1 to Takeshi Fujii in 1996 .[5]

Maruyama's first appearance in a major title match came in 1999 when he challenged Yoshiharu Habu for the 47th Ōza title.[4] Maruyama lost the match 3 games to 1.[7]

Theoretical contributions

Maruyama invented the Maruyama Vaccine (丸山ワクチン maruyama wakuchin) variation for Static Rook positions playing against Cheerful Central Rook opponents.

Promotion history

The promotion history for Maruyama is as follows:[8]

  • 1985: 6-kyū
  • 1986: 1-dan
  • 1990, April 1: 4-dan
  • 1992, April 1: 5-dan
  • 1995, April 1: 6-dan
  • 1997, April 1: 7-dan
  • 1998, April 1: 8-dan
  • 2000, June 28: 9-dan

Titles and other championships

Maruyama has appeared in major title matches a total of ten times and has won three major titles.[9] In addition to major titles, he has won twelve other shogi championships during his career.[10]

Major titles
TitleYearsNumber of times
Meijin 2000–01 2
Kiō 2002 1

Other championships
TournamentYearsNumber of times
*All Nihon Pro 1998 1
Nihon Series 1999, 2001 2
*All Star Kachinuki-sen 1992, 1994 1999, 2001 4
Shinjin-Ō 1994–95 2
*Hayazashi Senshuken 2000–01 2
NHK Cup 2005 1

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

Awards and honors

Maruyama has received a number of awards and honors throughout his career for his accomplishments both on an off the shogi board. These include the Annual Shogi Awards given out by the JSA for performance in official games as well as other JSA awards for career accomplishments, and awards received from governmental organizations, etc. for contributions made to Japanese society.[11][12]

Annual Shogi Awards
  • 22nd Annual Awards (April 1994 – March 1995): Best New Player, Most Consecutive Games Won
  • 23rd Annual Awards (April 1995 – March 1996): Most Games Won, Most Consecutive Games Won
  • 27th Annual Awards (April 1999 – March 2000): Most Games Won, Most Games Played, Most Consecutive Games Won, Technique Award
  • 28th Annual Awards (April 2000 – March 2001): Distinguished Service Award
  • 30th Annual Awards (April 2002 – March 2003): Distinguished Service Award
  • 39th Annual Awards (April 2011 – March 2012): Game of the Year
  • 46th Annual Awards (April 2018 – March 2019): Masuda Special Prize[13]

Other awards
  • 2000, November: Kisarazu City Meritorius Citizen Award
  • 2007: Shogi Honor Fighting-spirit Award (Awarded by JSA in recognition of winning 600 official games as a professional)
  • 2014: Shogi Honor Fighting-spirit Award (Awarded by JSA in recognition of winning 800 official games as a professional)
  • 2015: 25 Years Service Award (Awarded by the JSA in recognition of being an active professional for twenty-five years)

Year-end prize money and game fee ranking

Maruyama has finished in the "Top 10" of the JSA's year-end prize money and game fee rankings sixteen times since 1993. His highest finish was third in 2001 with in JPY 57,270,000 in earnings.

YearAmountRank
1998¥20,590,00010th[14]
1999¥52,280,0005th[14]
2000¥41,370,0005th[14]
2001¥57,270,0003rd[14]
2002¥44,050,0004th[14]
2003¥37,450,0005th[14]
2004¥27,850,0005th[14]
2006¥31,160,0006th[15]
2007¥19,530,00010th[16]
2008¥25,440,0007th[17]
2010¥23,720,0009th[18]
2011¥26,430,0005th[19]
2012¥34,090,0004th[20]
2013¥29,120,0005th[21]
2016¥22,100,0008th[22]
2017¥29,080,0005th[23]
gollark: I've never actually experienced sleep paralysis myself, but the internet seems to have become interested in it recently.
gollark: 30000 people can never be wrong, so that's basically as good as research I guess.
gollark: Well, yes, but you perceive it as there.
gollark: Who says "being unable to move while an ominous entity looms over you" or something isn't a "base fear"?
gollark: How are, say, spiders "inherently" scary?

References
  1. "Kishi Dētabēsu: Maruyama Tadahisa" 棋士データベース: 丸山忠久 [Professional Shogi Player Database: Tadahisa Maruyama] (in Japanese). Japan Shogi Association. Retrieved February 28, 2018.
  2. "Kishi Dētabēsu: Maruyama Tadahisa" 棋士データベース: 丸山忠久 [Professional Shogi Player Database: Tadahisa Maruyama] (in Japanese). Japan Shogi Association. Retrieved February 28, 2018.
  3. "Chūgakusei Shōgi Meijinsen Rekidai Yūshōsha Ichiran" 中学生将棋名人戦 歴代優勝者一覧 [Junior High School Student Meijin Tournament: List of Winners] (in Japanese). Japan Shogi Association. Retrieved April 10, 2018.
  4. "Heisei Nijūrokunenban Shōgi Nenkan Nisenjūyonnen" 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. 551. ISBN 978-4-8399-5175-7. Retrieved April 10, 2018 – via Google Books. Cite magazine requires |magazine= (help)
  5. "Shinjin-Ō: Kako no Kekka" 新人王戦: 過去の結果 [Shinjin-Ō: Past results] (in Japanese). Japan Shogi Association. Retrieved August 20, 2019.
  6. "Masuda Yasuhiro Yondan ga Shinjin-Ō-sen de Shijō Sanninme no Renpa Tassei Sasaki Daisuke Yondan ni Renshō" 増田康宏四段が新人王戦で史上3人目の連覇達成　佐々木大地四段に連勝 [Masuda 4d defeats Daisuke Sasaki 4d again to win the Shinjin-Ō tournament and become the third person in the tournament's history to win two years in a row.]. AbemaTimes (in Japanese). AbemaTV. October 16, 2017. Retrieved August 20, 2019.
  7. "Ōzasen: Kako no Kekka" 王座戦: 過去の結果 [Ōzasen: Past results] (in Japanese). Japan Shogi Association. Retrieved August 20, 2019.
  8. "Kishi Dētabēsu: Maruyama Tadahisa Shōdan Rireki" 棋士データベース: 丸山忠久 昇段履歴 [Professional Shogi Player Database: Tadahisa Maruyama Promotion History] (in Japanese). Japan Shogi Association. Retrieved April 9, 2018.
  9. "Kishi Dētabēsu: Maruyama Tadahisa Taitoru Rireki" 棋士データベース: 丸山忠久 タイトル履歴 [Professional Shogi Player Database: Tadahisa Maruyama Major Title History] (in Japanese). Japan Shogi Association. Retrieved April 9, 2018.
  10. "Kishi Dētabēsu: Maruyama Tadahisa Yūshō Rireki" 棋士データベース: 丸山忠久 優勝履歴 [Professional Shogi Player Database: Tadahisa Maruyama Championship History] (in Japanese). Japan Shogi Association. Retrieved April 9, 2018.
  11. "Kishi Dētabēsu: Maruyama Tadahisa Shōgi Taishō" 棋士データベース: 丸山忠久 将棋大賞 [Professional Shogi Player Database: Tadahisa Maruyama Annual Shogi Awards] (in Japanese). Japan Shogi Association. Retrieved April 9, 2018.
  12. "Kishi Dētabēsu: Maruyama Tadahisa Sonota Hyōshō" 棋士データベース: 丸山忠久 その他表彰 [Professional Shogi Player Database: Tadahisa Maruyama Other Awards] (in Japanese). Japan Shogi Association. Retrieved April 9, 2018.
  13. "Saiyūshūkishishō wa Toyoshima Nikan Fujii Shichidan wa ｢Myōshu｣ de Jushōlhanguage=ja" 最優秀棋士賞は豊島二冠 藤井七段は｢妙手｣で受賞 [Toyoshima 2-crown named "Player of the Year"; Fujii 7d wins award for "best move".]. Asahi Shimbun. April 1, 2019. Retrieved April 3, 2019.
  14. "Nenkan Kakutoku Shōkin - Taikyokuryō TOP10" 年間獲得賞金･対局料TOP10 [Annual Prize Money/Game Fees Top 10] (in Japanese). Kishi-mania. Archived from the original on May 23, 2014. Retrieved April 9, 2018.
  15. "2006nen Kakutoku Shōkin - Taikyokuryō Besuto 20" 2006年獲得賞金・対局料ベスト20 [2006 Prize Money/Game Fees Top 20] (in Japanese). Japan Shogi Association. March 1, 2007. Retrieved April 9, 2018.
  16. "2007nen Kakutoku Shōkin - Taikyokuryō Besuto 20" 2007年獲得賞金・対局料ベスト20 [2007 Prize Money/Game Fees Top 20] (in Japanese). Japan Shogi Association. March 1, 2008. Retrieved April 9, 2018.
  17. "2008nen Kakutoku Shōkin - Taikyokuryō Besuto 20" 2008年獲得賞金・対局料ベスト20 [2008 Prize Money/Game Fees Top 20] (in Japanese). Japan Shogi Association. March 2, 2009. Retrieved April 9, 2018.
  18. "2010nen Kakutoku Shōkin - Taikyokuryō Besuto 20" 2010年獲得賞金・対局料ベスト20 [2010 Prize Money/Game Fees Top 20] (in Japanese). Japan Shogi Association. February 16, 2011. Retrieved April 9, 2017.
  19. "2011nen Kakutoku Shōkin - Taikyokuryō Besuto 20" 2012年獲得賞金・対局料ベスト20 [2011 Prize Money/Game Fees Top 20] (in Japanese). Japan Shogi Association. February 16, 2012. Retrieved April 9, 2018.
  20. "2012nen Kakutoku Shōkin - Taikyokuryō Besuto 10" 2011年獲得賞金・対局料ベスト10 [2012 Prize Money/Game Fees Top 10] (in Japanese). Japan Shogi Association. February 18, 2013. Retrieved April 9, 2018.
  21. "2013nen Kakutoku Shōkin - Taikyokuryō Besuto 10" 2013年獲得賞金・対局料ベスト10 [2013 Prize Money/Game Fees Top 10] (in Japanese). Japan Shogi Association. February 7, 2014. Retrieved April 9, 2018.
  22. "2016nen Kakutoku Shōkin - Taikyokuryō Besuto 10" 2016年獲得賞金・対局料ベスト10 [2016 Prize Money/Game Fees Top 10] (in Japanese). Japan Shogi Association. February 3, 2017. Retrieved April 9, 2018.
  23. "2017nen Kakutoku Shōkin - Taikyokuryō Besuto 10" 2017年獲得賞金・対局料ベスト10 [2017 Prize Money/Game Fees Top 10] (in Japanese). Japan Shogi Association. February 6, 2018. Retrieved April 9, 2018.
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