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Kōji Tosa

{{Short description|Japanese shogi player}}

{{Infobox shogi professional

| name = Kōji Tosa

| native_name = 土佐浩司

| born = {{birth date and age|1955|03|30|mf=yes}}

| hometown = Minamiuonuma

| nationality = Japanese

| pro_date = {{death date and age|1976|02|19|1955|03|30}}

| retirementdate = {{death date and age|2020|05|14|1955|03|30}}

| badge_no = 124

| rank = 8-dan

| teacher = {{ill|Shizuo Seino|ja|清野静男}}

| teacher_rank = 8-dan

| tournaments = 1

| wins = 666

| losses = 728

| winloss_ref =

| jsa = 124

}}

{{nihongo |Kōji Tosa|土佐 浩司 |Tosa Kōji|March 30, 1955}} is a Japanese retired professional shogi player who achieved the rank of 8-dan.{{cite web|url=https://www.shogi.or.jp/player/pro/124.html|script-title=ja:棋士データベース: 土佐浩司|title=Kishi Dētabēsu: Tosa Kōji|language=Japanese|trans-title=Professional Shogi Player Database: Kōji Tosa|publisher=Japan Shogi Association|access-date=January 21, 2020}}

Shogi professional

Tosa's only tournament victory as a shogi professional came in 1998 when he defeated Toshiyuki Moriuchi to win the 32nd {{ill|Hayazashi Shogi Senshuken|ja|早指し将棋選手権}}.{{cite web|url=https://www.shogi.or.jp/match/finished/12/rekidai.html|script-title=ja:早指し将棋選手権戦･早指し新鋭戦 [歴代優勝者一覧]|title=Hayazashi Shōgi Senshuken･Hayazashi Shineisen [Rekidai Yūshōsha Ichiran]|language=ja|trans-title=Hayazahi Shogi Senshuken･Hayszashi Shineisen [List of winners]|publisher=Japan Shogi Association|access-date=January 21, 2020}}

In August 2010, Tosa defeated Kiyozumi Kiriyama in 69th Meijin Class B2 league play to become the 42nd professional to win 600 official games.{{cite web|url=https://www.shogi.or.jp/news/2010/08/600_2.html|script-title=ja:土佐浩司七段, 600勝 (将棋栄誉賞) を達成！|title=Tosa Kōji Shichidan Roppyakushō (Shōgi Eiyoshō) wo Tassei|language=ja|trans-title=Kōji Tosa 7d reaches 600 wins|date=August 9, 2010|publisher=Japan Shogi Association|access-date=January 21, 2020}}{{cite news|author=|url=http://www.asahi.com/shougi/topics/TKY201008260341.html|script-title=ja:森下九段が通算800勝|title=Morishita Kudan ga Tsūsan Happyakusho|language=ja|trans-title=Morishita 9d wins 800th official game|date=August 26, 2010|newspaper=Asahi Shimbun|access-date=January 21, 2020}}

In March 2017, Tosa finished the finished 75th Meijin Class C2 league play (April 2016{{sndash}}March 2017) with a record of no wins and 10 losses, earning a second demotion point which meant he was only one point away from automatic demotion to "Free Class" play.{{cite web|url=https://www.shogi.or.jp/match/junni/2016/75c2/index.html|script-title=ja:第75期名人戦･順位戦 C級2組|title=Dai Nanajūgonki Meijinsen･Jun'isen Shikumi Nikyū|language=ja|trans-title=75th Meijin Tournament Class C2|year=2016|publisher=Japan Shogi Association|access-date=January 21, 2020}} As a result, he declared his intention to the Japan Shogi Association to become a Free Class player as of April 2017 rather than risk automatic demotion.{{cite web|url=https://www.shogi.or.jp/news/2017/03/2017.html|script-title=ja:2017年度からのフリークラス転出者|title=Nisenjūnananendo kara no Furī Kurasu Tenshutsusha|language=ja|trans-title=Players Moving to the Free Class from the 2017 Shogi Year|date=March 31, 2017|publisher=Japan Shogi Association|access-date=January 21, 2020}}

On June 8, 2020, the Japan Shogi Association announced on its website that Tosa had retired from professional shogi. His official retirement date was given as May 14, 2020.{{cite web|author=|url=https://www.shogi.or.jp/news/2020/06/post_1922.html|script-title=ja:土佐浩司八段, 伊藤博文七段が引退|title=Tosa Kōji Hachidan, Itō Hirofumi Shichidan ga Intai|language=ja|trans-title=Kōji Tosa 8-dan and Hirofumi Itō 7-dan retire from professional play|date=June 8, 2020|publisher=Japan Shogi Association|access-date=June 11, 2020}} Tosa retired with a career record of 666 wins and 728 losses for a winning percentage of 0.478.{{cite web|url=https://www.shogi.or.jp/game/record/all.html|url-status=unfit|script-title=ja:通算成績|title=Tsūsan Seiseki|language=ja|trans-title=Career Records|date=July 17, 2020|publisher=Japan Shogi Association|archive-url=https://web.archive.org/web/20200718114742/https://www.shogi.or.jp/game/record/all.html|archive-date=July 18, 2020|access-date=December 20, 2023}}

=Promotion history=

The promotion history for Tosa is as follows:{{cite web|url=https://www.shogi.or.jp/player/pro/124.html#jsTabE04_02|script-title=ja:棋士データベース: 土佐浩司 昇段履歴|title=Kishi Dētabēsu: Tosa Kōji Shōdan Rireki|language=Japanese|trans-title=Professional Shogi Player Database: Kōji Tosa Promotion History|publisher=Japan Shogi Association|access-date=June 8, 2020}}

  • 6-kyū: 1971
  • 1-dan: 1973
  • 4-dan: February 19, 1976
  • 5-dan: April 1, 1984
  • 6-dan: April 14, 1989
  • 7-dan: July 25, 1997
  • 8-dan: September 18, 2014
  • Retired: May 14, 2020

=Titles and other championships=

Tosa has never appeared in a major title match, but he has won one non-title shogi championships during his career.{{cite web|url=https://www.shogi.or.jp/player/pro/124.html#anc02|script-title=ja:棋士データベース: 土佐浩司 優勝履歴|title=Kishi Dētabēsu: Tosa Kōji Yūshō Rireki|language=ja|trans-title=Professional Shogi Player Database: Kōji Tosa Championship History|publisher=Japan Shogi Association|access-date=January 21, 2020}}

=Awards and honors=

Tosa received the JSA's "25 Years Service Award" in 2000 in recognition of being an active professional for twenty-five years and the "Shogi Honor Award" in 2010 for winning 600 official games.{{cite web|url=https://www.shogi.or.jp/player/pro/124.html#anc04|script-title=ja:棋士データベース: 土佐浩司 その他表彰|title=Kishi Dētabēsu: Tosa Kōji Sonota Hyōshō|language=ja|trans-title=Professional Shogi Player Database: Kōji Tosa Other Awards|publisher=Japan Shogi Association|access-date=January 21, 2020}}

References

{{Reflist}}

External links

  • ShogiHub: [http://shogihub.com/players/50 Tosa, Koji]

{{DEFAULTSORT:Tosa, Koji}}

Category:Japanese shogi players

Category:Japan Shogi Association players

Category:Living people

Category:Professional shogi players from Niigata Prefecture

Category:1955 births

Category:Shogi players

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