Okan (Go competition)

For other uses, see Okan (disambiguation).

The Okan (Japanese: 王冠, Hepburn: Ōkan; 'crown' or 'king's crown') is a Japanese Go competition. It is open only to players of the Nihon Ki-in's Chubu branch located in Nagoya. The title match is a single game played between the reigning titleholder and a challenger. The winner's purse is 1,700,000 yen ($15,000).

## Winners and runners-up

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Okan[1] Edition | Year | Winner | Runner-up

|
|
|

1st | 1953 | Michiharu Sakai |
2nd | 1956 | Tatsuaki Iwata |
3rd | 1957 | Michiharu Sakai |
4th | 1958 | Tatsuaki Iwata |
5th | 1959 |
6th | 1960 | Toshihiro Shimamura | 五十川正雄
7th | 1961 | Tatsuaki Iwata
8th | 1962 | 五十川正雄
9th | 1964 | 五十川正雄
10th | 1965 | Tatsuaki Iwata
11th | 1967 | Tatsuaki Iwata | Toshihiro Shimamura
12th | 1969 | Toshihiro Shimamura
13th | 1970 | Masamitsu Tsuchida
14th | 1972 | Yasumasa Hane | Tatsuaki Iwata
15th | 1974 | Toshihiro Shimamura | Yasumasa Hane
16th | 1975 | Yasumasa Hane
17th | 1976 | Tatsuaki Iwata | Toshihiro Shimamura
18th | 1977 | Hiroshi Yamashiro | Tatsuaki Iwata
19th | 1978 | Yasumasa Hane | Hiroshi Yamashiro
20th | 1979 | Tatsuaki Iwata | Yasumasa Hane
21st | 1980 | Shigeru Baba
22nd | 1981 | Hiroshi Yamashiro | Tatsuaki Iwata
23rd | 1982 | Yasumasa Hane
24th | 1983 | Yasumasa Hane | Hiroshi Yamashiro
25th | 1984 | Hiroshi Yamashiro | Yasumasa Hane
26th | 1985 | Tatsuaki Iwata
27th | 1986 | Yasumasa Hane
28th | 1987 | Masamitsu Tsuchida
29th | 1988 | Masaki Ogata | Hiroshi Yamashiro
30th | 1989 | Tatsuaki Iwata
31st | 1990 | Yasumasa Hane
32nd | 1991 | Yasumasa Hane
33rd | 1992 | Yasumasa Hane | Masaki Ogata
34th | 1993 | Hiroshi Yamashiro | Yasumasa Hane
35th | 1994 | Masaki Ogata
36th | 1995 | Yasumasa Hane
37th | 1996 | Naoto Hikosaka
38th | 1997 | Hironari Nakano | Hiroshi Yamashiro
39th | 1998 | Hiroshi Yamashiro
40th | 1999 | Naoki Hane | Hironari Nakano
41st | 2000 | Hiroshi Yamashiro | Naoki Hane
42nd | 2001 | Hideki Matsuoka
43rd | 2002 | Naoki Hane | Hiroshi Yamashiro
44th | 2003 | Naoto Hikosaka
45th | 2004 | Hiroshi Yamashiro
46th | 2005 | Hiroshi Yamashiro | Naoki Hane
47th | 2006 | Hideki Matsuoka | Hiroshi Yamashiro
48th | 2007 | Naoki Hane | Hideki Matsuoka
49th | 2008 | Hiroshi Yamashiro
50th | 2009 | Hiroshi Yamashiro
51st | 2010 | Hiroshi Yamashiro | Naoki Hane
52nd | 2011 | Naoki Hane | Hiroshi Yamashiro
53rd | 2012 | Hironari Nakano
54th | 2013 | Hironari Nakano
55th | 2014 | Hiroshi Yamashiro
56th | 2015 | Masaki Ogata
57th | 2016 | Atsushi Ida | Naoki Hane
58th | 2017 | Yuta Mutsuura
59th | 2018 | Hironari Nakano
60th | 2019 | Masaki Ogata
61st | 2020 | Yu Otake
62nd[2] | 2021 | Yu Otake
63rd | 2022 | Yuta Mutsuura
64th | 2023 | Yuta Mutsuura
65th | 2024 | Yuta Mutsuura

## References

[edit]

1. ^ "王冠戦 歴代記録", Nihon Ki-in (in Japanese), retrieved 2024-12-03
2. ^ "The Power Report: Iyama regains Oza title; The Teikei tournaments; Ueno wins Young Carp; Ida sets record in Crown title", American Go E-Journal, 2022-01-29, archived from the original on 2022-07-01

* v
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Japanese Go titles

Major|

* Kisei
* Meijin
* Honinbo
* Ōza
* Tengen
* Gosei
* Jūdan

Minor|

* Agon Kiriyama Cup
* Ryusei
* NHK Cup
* Shinjin-O
* Okan
* Kansai Ki-in Championship
* Wakagoi Cup

Defunct|

* Asahi Pro Best Ten
* Asahi Top Eight Players
* Chikurin
* Dai-ichi
* Hayago Championship
* Hayago Meijin
* Hosu
* IBM Cup
* Igo Masters Cup
* Igo Senshuken
* JAL Super Hayago Championship
* JT Cup
* Kakusei
* Kirin Cup
* NEC Shun-Ei
* Nihon Ki-In Championship
* Old Meijin
* Phoenix Cup
* Prime Minister Cup
* Ryuen Cup
* Shin-Ei
* Tatsujin
* Daiwa Cup
* Daiwa Cup Grand Champion
* NEC Cup

Women's|

* Women's Honinbo
* Women's Meijin
* Women's Kisei
* Women's Saikyo
* Aizu Central Hospital Cup

Defunct|

* Women's Nihon Ki-in Championship
* Women's Kakusei
* Kansai Lady's Tournament

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