Ōi | |
---|---|
Native name | 王位戦 |
Type | Title |
Official name | Ito En O-i Ochahai Ōisen (伊藤園お~いお茶杯王位戦) |
Sponsor(s) | Ito En |
Winner's title | Ōi |
Reigning champion | Sōta Fujii |
Number of times held | 63 |
First held | 1960 |
Last held | 2022 |
Lifetime champions | |
Most times won | Yoshiharu Habu (18) |
Most consecutive wins | Yasuharu Ōyama (12) |
Website(s) | |
JSA tournament website (in Japanese) | |
Sponsor's tournament website (in Japanese) |
Ōi (王位) is one of the eight major titles in professional shogi. The word means "the king's rank" (王 ō 'king' + 位 i 'rank, position').
The annual tournament started in 1960 sponsored by a group of local newspapers which has consisted of Shimbun Sansha Rengō (Three-Newspaper Association). [1] [a] With the addition of Ōi, there were four major shogi titles along with Meijin, Ninth Dan ( Ryūō), and Ōshō.
The challenger for the title is determined by three-step preliminary round that comprises 1st heat, league competition and final playoff. Top eight players in 1st heat and top four players of previous year are divided into two six-player leagues. Top one of each league advances to final playoff, and the winner of one-game match becomes the challenger.
The player that wins four games out of seven first in the championship will become the new Ōi title holder. Each championship games assign players a six-hour playtime during two days. [1]
Lifetime Ōi (永世王位, eisei Ōi) is the title awarded to a player who won the championship five times in a row or ten times in total. Active players may qualify for this title, but it is only officially awarded upon their retirement or death. [2]
Only three professionals have qualified for the Lifetime Oi. [2] They are as follows:
No. | Year | Winner | Score | Opponent |
---|---|---|---|---|
1 | 1960 | Yasuharu Ōyama | 4–1 | Masao Tsukada |
2 | 1961 | Yasuharu Ōyama (2) | 4–1 | Yuzō Maruta |
3 | 1962 | Yasuharu Ōyama (3) | 4–0 | Motoji Hanamura |
4 | 1963 | Yasuharu Ōyama (4) | 4–2 | Hifumi Katō |
5 | 1964 | Yasuharu Ōyama (5) | 4–2 | Tatsuya Futakami |
6 | 1965 | Yasuharu Ōyama (6) | 4–0 | Daigoroh Satō |
7 | 1966 | Yasuharu Oyama (7) | 4–1 | Michio Ariyoshi |
8 | 1967 | Yasuharu Ōyama (8) | 4–1 | Nobuyuki Ōuchi |
9 | 1968 | Yasuharu Ōyama (9) | 4–2 | Michio Ariyoshi |
10 | 1969 | Yasuharu Ōyama (10) | 4–2 | Kazuyoshi Nishimura |
11 | 1970 | Yasuharu Ōyama (11) | 4–1 | Kunio Yonenaga |
12 | 1971 | Yasuharu Ōyama (12) | 4–3 | Makoto Nakahara |
13 | 1972 | Kunio Naitō | 4–1 | Yasuharu Ōyama |
14 | 1973 | Makoto Nakahara | 4–0 | Kunio Naitō |
15 | 1974 | Makoto Nakahara (2) | 4–2 | Kunio Yonenaga |
16 | 1975 | Makoto Nakahara (3) | 4–2 | Kunio Naitō |
17 | 1976 | Makoto Nakahara (4) | 4–2 | Osamu Katsuura |
18 | 1977 | Makoto Nakahara (5) | 4–2 | Kunio Yonenaga |
19 | 1978 | Makoto Nakahara (6) | 4–1 | Yasuharu Ōyama |
20 | 1979 | Kunio Yonenaga | 4–3 | Makoto Nakahara |
21 | 1980 | Makoto Nakahara (7) | 4–0 | Kunio Yonenaga |
22 | 1981 | Makoto Nakahara (8) | 4–3 | Yasuharu Ōyama |
23 | 1982 | Kunio Naitō (2) | 4–2 | Makoto Nakahara |
24 | 1983 | Michio Takahashi | 4–2 | Kunio Naitō |
25 | 1984 | Hifumi Katō | 4–3 | Michio Takahashi |
26 | 1985 | Michio Takahashi (2) | 4–0 | Hifumi Katō |
27 | 1986 | Michio Takahashi (3) | 4–0 | Kunio Yonenaga |
28 | 1987 | Koji Tanigawa | 4–1 | Michio Takahashi |
29 | 1988 | Keiji Mori | 4–3 | Koji Tanigawa |
30 | 1989 | Koji Tanigawa (2) | 4–1 | Keiji Mori |
31 | 1990 | Koji Tanigawa (3) | 4–3 | Yasumitsu Satō |
32 | 1991 | Koji Tanigawa (4) | 4–2 | Hiroki Nakata |
33 | 1992 | Masataka Goda | 4–2 | Koji Tanigawa |
34 | 1993 | Yoshiharu Habu | 4–0 | Masataka Goda |
35 | 1994 | Yoshiharu Habu (2) | 4–3 | Masataka Goda |
36 | 1995 | Yoshiharu Habu (3) | 4–2 | Masataka Goda |
37 | 1996 | Yoshiharu Habu (4) | 4–1 | Koichi Fukaura |
38 | 1997 | Yoshiharu Habu (5) | 4–1 | Yasumitsu Satō |
39 | 1998 | Yoshiharu Habu (6) | 4–2 | Yasumitsu Satō |
40 | 1999 | Yoshiharu Habu (7) | 4–0 | Koji Tanigawa |
41 | 2000 | Yoshiharu Habu (8) | 4–3 | Koji Tanigawa |
42 | 2001 | Yoshiharu Habu (9) | 4–0 | Nobuyuki Yashiki |
43 | 2002 | Koji Tanigawa (5) | 4–1 | Yoshiharu Habu |
44 | 2003 | Koji Tanigawa (6) | 4–1 | Yoshiharu Habu |
45 | 2004 | Yoshiharu Habu (10) | 4–1 | Koji Tanigawa |
46 | 2005 | Yoshiharu Habu (11) | 4–3 | Yasumitsu Satō |
47 | 2006 | Yoshiharu Habu (12) | 4–2 | Yasumitsu Satō |
48 | 2007 | Koichi Fukaura | 4–3 | Yoshiharu Habu |
49 | 2008 | Koichi Fukaura (2) | 4–3 | Yoshiharu Habu |
50 | 2009 | Koichi Fukaura (3) | 4–3 | Kazuki Kimura |
51 | 2010 | Akihito Hirose | 4–2 | Koichi Fukaura |
52 | 2011 | Yoshiharu Habu (13) | 4–3 | Akihito Hirose |
53 | 2012 | Yoshiharu Habu (14) | 4–1 [6] | Takeshi Fujii |
54 | 2013 | Yoshiharu Habu (15) | 4–1 [7] | Hisashi Namekata |
55 | 2014 | Yoshiharu Habu (16) | 4–2–1 [8] [b] | Kazuki Kimura |
56 | 2015 | Yoshiharu Habu (17) | 4–1 [10] | Akihito Hirose |
57 | 2016 | Yoshiharu Habu (18) | 4–3 [11] | Kazuki Kimura |
58 | 2017 | Tatsuya Sugai | 4–1 [12] | Yoshiharu Habu |
59 | 2018 | Masayuki Toyoshima | 4–3 [13] | Tatsuya Sugai |
60 | 2019 | Kazuki Kimura | 4–3 [14] | Masayuki Toyoshima |
61 | 2020 | Sōta Fujii | 4–0 [15] | Kazuki Kimura |
62 | 2021 | Sōta Fujii (2) | 4–1 [16] | Masayuki Toyoshima |
63 | 2022 | Sōta Fujii (3) | 4–1 [17] | Masayuki Toyoshima |
64 | 2023 | Sōta Fujii (4) | 4–1 [18] | Daichi Sasaki |
Ōi | |
---|---|
Native name | 王位戦 |
Type | Title |
Official name | Ito En O-i Ochahai Ōisen (伊藤園お~いお茶杯王位戦) |
Sponsor(s) | Ito En |
Winner's title | Ōi |
Reigning champion | Sōta Fujii |
Number of times held | 63 |
First held | 1960 |
Last held | 2022 |
Lifetime champions | |
Most times won | Yoshiharu Habu (18) |
Most consecutive wins | Yasuharu Ōyama (12) |
Website(s) | |
JSA tournament website (in Japanese) | |
Sponsor's tournament website (in Japanese) |
Ōi (王位) is one of the eight major titles in professional shogi. The word means "the king's rank" (王 ō 'king' + 位 i 'rank, position').
The annual tournament started in 1960 sponsored by a group of local newspapers which has consisted of Shimbun Sansha Rengō (Three-Newspaper Association). [1] [a] With the addition of Ōi, there were four major shogi titles along with Meijin, Ninth Dan ( Ryūō), and Ōshō.
The challenger for the title is determined by three-step preliminary round that comprises 1st heat, league competition and final playoff. Top eight players in 1st heat and top four players of previous year are divided into two six-player leagues. Top one of each league advances to final playoff, and the winner of one-game match becomes the challenger.
The player that wins four games out of seven first in the championship will become the new Ōi title holder. Each championship games assign players a six-hour playtime during two days. [1]
Lifetime Ōi (永世王位, eisei Ōi) is the title awarded to a player who won the championship five times in a row or ten times in total. Active players may qualify for this title, but it is only officially awarded upon their retirement or death. [2]
Only three professionals have qualified for the Lifetime Oi. [2] They are as follows:
No. | Year | Winner | Score | Opponent |
---|---|---|---|---|
1 | 1960 | Yasuharu Ōyama | 4–1 | Masao Tsukada |
2 | 1961 | Yasuharu Ōyama (2) | 4–1 | Yuzō Maruta |
3 | 1962 | Yasuharu Ōyama (3) | 4–0 | Motoji Hanamura |
4 | 1963 | Yasuharu Ōyama (4) | 4–2 | Hifumi Katō |
5 | 1964 | Yasuharu Ōyama (5) | 4–2 | Tatsuya Futakami |
6 | 1965 | Yasuharu Ōyama (6) | 4–0 | Daigoroh Satō |
7 | 1966 | Yasuharu Oyama (7) | 4–1 | Michio Ariyoshi |
8 | 1967 | Yasuharu Ōyama (8) | 4–1 | Nobuyuki Ōuchi |
9 | 1968 | Yasuharu Ōyama (9) | 4–2 | Michio Ariyoshi |
10 | 1969 | Yasuharu Ōyama (10) | 4–2 | Kazuyoshi Nishimura |
11 | 1970 | Yasuharu Ōyama (11) | 4–1 | Kunio Yonenaga |
12 | 1971 | Yasuharu Ōyama (12) | 4–3 | Makoto Nakahara |
13 | 1972 | Kunio Naitō | 4–1 | Yasuharu Ōyama |
14 | 1973 | Makoto Nakahara | 4–0 | Kunio Naitō |
15 | 1974 | Makoto Nakahara (2) | 4–2 | Kunio Yonenaga |
16 | 1975 | Makoto Nakahara (3) | 4–2 | Kunio Naitō |
17 | 1976 | Makoto Nakahara (4) | 4–2 | Osamu Katsuura |
18 | 1977 | Makoto Nakahara (5) | 4–2 | Kunio Yonenaga |
19 | 1978 | Makoto Nakahara (6) | 4–1 | Yasuharu Ōyama |
20 | 1979 | Kunio Yonenaga | 4–3 | Makoto Nakahara |
21 | 1980 | Makoto Nakahara (7) | 4–0 | Kunio Yonenaga |
22 | 1981 | Makoto Nakahara (8) | 4–3 | Yasuharu Ōyama |
23 | 1982 | Kunio Naitō (2) | 4–2 | Makoto Nakahara |
24 | 1983 | Michio Takahashi | 4–2 | Kunio Naitō |
25 | 1984 | Hifumi Katō | 4–3 | Michio Takahashi |
26 | 1985 | Michio Takahashi (2) | 4–0 | Hifumi Katō |
27 | 1986 | Michio Takahashi (3) | 4–0 | Kunio Yonenaga |
28 | 1987 | Koji Tanigawa | 4–1 | Michio Takahashi |
29 | 1988 | Keiji Mori | 4–3 | Koji Tanigawa |
30 | 1989 | Koji Tanigawa (2) | 4–1 | Keiji Mori |
31 | 1990 | Koji Tanigawa (3) | 4–3 | Yasumitsu Satō |
32 | 1991 | Koji Tanigawa (4) | 4–2 | Hiroki Nakata |
33 | 1992 | Masataka Goda | 4–2 | Koji Tanigawa |
34 | 1993 | Yoshiharu Habu | 4–0 | Masataka Goda |
35 | 1994 | Yoshiharu Habu (2) | 4–3 | Masataka Goda |
36 | 1995 | Yoshiharu Habu (3) | 4–2 | Masataka Goda |
37 | 1996 | Yoshiharu Habu (4) | 4–1 | Koichi Fukaura |
38 | 1997 | Yoshiharu Habu (5) | 4–1 | Yasumitsu Satō |
39 | 1998 | Yoshiharu Habu (6) | 4–2 | Yasumitsu Satō |
40 | 1999 | Yoshiharu Habu (7) | 4–0 | Koji Tanigawa |
41 | 2000 | Yoshiharu Habu (8) | 4–3 | Koji Tanigawa |
42 | 2001 | Yoshiharu Habu (9) | 4–0 | Nobuyuki Yashiki |
43 | 2002 | Koji Tanigawa (5) | 4–1 | Yoshiharu Habu |
44 | 2003 | Koji Tanigawa (6) | 4–1 | Yoshiharu Habu |
45 | 2004 | Yoshiharu Habu (10) | 4–1 | Koji Tanigawa |
46 | 2005 | Yoshiharu Habu (11) | 4–3 | Yasumitsu Satō |
47 | 2006 | Yoshiharu Habu (12) | 4–2 | Yasumitsu Satō |
48 | 2007 | Koichi Fukaura | 4–3 | Yoshiharu Habu |
49 | 2008 | Koichi Fukaura (2) | 4–3 | Yoshiharu Habu |
50 | 2009 | Koichi Fukaura (3) | 4–3 | Kazuki Kimura |
51 | 2010 | Akihito Hirose | 4–2 | Koichi Fukaura |
52 | 2011 | Yoshiharu Habu (13) | 4–3 | Akihito Hirose |
53 | 2012 | Yoshiharu Habu (14) | 4–1 [6] | Takeshi Fujii |
54 | 2013 | Yoshiharu Habu (15) | 4–1 [7] | Hisashi Namekata |
55 | 2014 | Yoshiharu Habu (16) | 4–2–1 [8] [b] | Kazuki Kimura |
56 | 2015 | Yoshiharu Habu (17) | 4–1 [10] | Akihito Hirose |
57 | 2016 | Yoshiharu Habu (18) | 4–3 [11] | Kazuki Kimura |
58 | 2017 | Tatsuya Sugai | 4–1 [12] | Yoshiharu Habu |
59 | 2018 | Masayuki Toyoshima | 4–3 [13] | Tatsuya Sugai |
60 | 2019 | Kazuki Kimura | 4–3 [14] | Masayuki Toyoshima |
61 | 2020 | Sōta Fujii | 4–0 [15] | Kazuki Kimura |
62 | 2021 | Sōta Fujii (2) | 4–1 [16] | Masayuki Toyoshima |
63 | 2022 | Sōta Fujii (3) | 4–1 [17] | Masayuki Toyoshima |
64 | 2023 | Sōta Fujii (4) | 4–1 [18] | Daichi Sasaki |