Oza (shogi)

Ōza (王座) is one of the seven titles in Japanese professional shogi. The word literally means "king's seat", i.e., "throne". The tournament started in 1953 as a knockout tournament with three games in the final match and was a non-title tournament up until 1982.[1] The challenger for the title is determined through three preliminary rounds. The player that wins three games out of five in the championship match becomes the new Ōza title holder. [2]

Lifetime Ōza

"Lifetime Ōza" (名誉王座) is the title given 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.[3]

Lifetime Ōza title holders

Winners

From 1953 until 1982, the tournament was just regular tournament and not a major title match. From 1953 to 1969, two finalists would play a 3-game match to determine the overall winner; the 1st Oza match (1953), however, was only a single game. From 1970 to 1982, the winner of the previous year's tournament would play the winner of a qualifying tournament in a 3-game match.[6]

No. Year Winner Score Opponent
1 1953 Yasuharu Ōyama 1-0 Yūzō Maruta
2 1954 Yasuharu Ōyama 2-1 Kōzō Masuda
3 1955 Yasuharu Ōyama 2-1 Renshō Nada
4 1956 Seiichi Kobori 2-1 Kazukiyo Takashima
5 1957 Shigeyuki Matsuda 2-1 Seiichi Kobori
6 1958 Masao Tsukuda 2-1 Tatsuya Futakami
7 1959 Yasuharu Ōyama 2-0 Michiyoshi Yamada
8 1960 Yūzō Maruta 2-1 Yasuharu Ōyama
9 1961 Sōetsu Honma 2-0 Hifumi Katō
10 1962 Hifumi Katō 2-0 Michihito Kumagai
11 1963 Renshō Nada 2-1 Hirobumi Sekizawa
12 1964 Yasuharu Ōyama 2-0 Hifumi Katō
13 1965 Yūzō Maruta 2-0 Kunio Naitō
14 1966 Yasuharu Ōyama 2-0 Yūzō Maruta
15 1967 Michiyoshi Yamada 2-0 Kunio Naitō
16 1968 Yasuharu Ōyama 2-0 Hifumi Katō
17 1969 Makoto Nakahara 2-1 Michio Ariyoshi
18 1970 Makoto Nakahara 2-0 Tatsuya Futakami
19 1971 Makoto Nakahara 2-0 Hifumi Katō
20 1972 Makoto Nakahara 2-0 Kunio Naitō
21 1973 Makoto Nakahara 2-0 Genichi Ōno
22 1974 Makoto Nakahara 2-1 Yasuharu Ōyama
23 1975 Kiyozumi Kiriyama 2-0 Makoto Nakahara
24 1976 Makoto Nakahara 2-0 Kiyozumi Kiriyama
25 1977 Makoto Nakahara 2-0 Nobuyuki Ōuchi
26 1978 Makoto Nakahara 2-0 Nobuyuki Ōuchi
27 1979 Makoto Nakahara 2-0 Nobuyuki Ōuchi
28 1980 Yasuharu Ōyama 2-0 Makoto Nakahara
29 1981 Yasuharu Ōyama 2-1 Osamu Katsuura
30 1982 Kunio Naitō 2-0 Yasuharu Ōyama

For the 31st Oza Match (1983), the tournament was officially elevated to major title match status and starting with the 32nd Oza Match, the format switched to a best-of-five.

No. Year Winner Score Opponent
31 1983 Makoto Nakahara 2-1 Kunio Naitō
32 1984 Makoto Nakahara 3-2 Hidemitsu Moriyasu
33 1985 Makoto Nakahara 3-1 Koji Tanigawa
34 1986 Makoto Nakahara 3-0 Kiyozumi Kiriyama
35 1987 Yasuaki Tsukada 3-2 Makoto Nakahara
36 1988 Makoto Nakahara 3-0 Yasuaki Tsukada
37 1989 Makoto Nakahara 3-2 Teruichi Aono
38 1990 Koji Tanigawa 3-1 Makoto Nakahara
39 1991 Bungo Fukusaki 3-2 Koji Tanigawa
40 1992 Yoshiharu Habu 3-0 Bungo Fukusaki
41 1993 Yoshiharu Habu 3-1 Koji Tanigawa
42 1994 Yoshiharu Habu 3-0 Koji Tanigawa
43 1995 Yoshiharu Habu 3-0 Keiji Mori
44 1996 Yoshiharu Habu 3-0 Akira Shima
45 1997 Yoshiharu Habu 3-0 Akira Shima
46 1998 Yoshiharu Habu 3-2 Koji Tanigawa
47 1999 Yoshiharu Habu 3-1 Tadahisa Maruyama
48 2000 Yoshiharu Habu 3-2 Takeshi Fujii
49 2001 Yoshiharu Habu 3-1 Toshiaki Kubo
50 2002 Yoshiharu Habu 3-0 Yasumitsu Satō
51 2003 Yoshiharu Habu 3-2 Akira Watanabe
52 2004 Yoshiharu Habu 3-1 Toshiyuki Moriuchi
53 2005 Yoshiharu Habu 3-0 Yasumitsu Satō
54 2006 Yoshiharu Habu 3-0 Yasumitsu Satō
55 2007 Yoshiharu Habu 3-0 Toshiaki Kubo
56 2008 Yoshiharu Habu 3-0 Kazuki Kimura
57 2009 Yoshiharu Habu 3-0 Takayuki Yamasaki
58 2010 Yoshiharu Habu 3-0 Takeshi Fujii
59 2011 Akira Watanabe 3-0 Yoshiharu Habu
60 2012 Yoshiharu Habu 3-1 Akira Watanabe
61 2013 Yoshiharu Habu 3-2 Taichi Nakamura
62 2014 Yoshiharu Habu 3-2[7] Masayuki Toyoshima
63 2015 Yoshiharu Habu 3-2[8] Amahiko Satō
64 2016 Yoshiharu Habu 3-0[9] Tetsuro Itodani

Records

See also

References

  1. ↑ Hodges, George, ed. (1977). "Introduction to the Ôza tournament". Shogi (6): 4.
  2. ↑ "Ōzasen" 王座戦 [Oza Title Match] (in Japanese). Japan Shogi Association. Retrieved 27 June 2014.
  3. ↑ "Puro Kisen no Kitei ni Kansuru Goshitsumon - Q: Eisei Shōgō no Kitei wa Dō Natteiru no Deshōka." プロ棋戦の規定に関するご質問 — Q:永世称号の規定はどうなっているのでしょうか。 [Questions Regarding Professional Shogi — Q: What are the requirements for lifetime titles?] (in Japanese). Japan Shogi Association.
  4. ↑ "Kishi Shokai: Nakahara Makoto" 棋士紹介: 中原誠 [Player Introduction: Makoto Nakahara] (in Japanese). Japan Shogi Association. Retrieved 24 October 2014.
  5. ↑ "Kishi Shokai: Habu Yoshiharu" 棋士紹介: 羽生善治 [Player Introduction: Yoshiharu Habu] (in Japanese). Japan Shogi Association. Retrieved 24 October 2014.
  6. ↑ Tanabe, Tadayuki (2006). Shōgi Hachi Daikisen Hiwa 将棋八大棋戦秘話 [Shogi, Untold Stories from 8 Major Title Matches] (in Japanese). Sedagaya, Tokyo: Kawade Shobo Shinsha Publishers, Inc. p. 169. ISBN 4309268706.
  7. ↑ Fukamatsu, Shinji (24 October 2014). "Habu Ōza ga Bōei Taitoru Kakutoku Kyūjūki ni Shogi Ōzasen" 羽生王座が防衛 タイトル獲得は90期に 将棋王座戦 [Habu Defends Oza Title for his 90th Major Title Overall]. Asahi Shimbun (in Japanese). Retrieved 29 October 2015.
  8. ↑ Fukamatsu, Shinji (26 October 2015). "Habu Ōza ga Bōei ni Seiko Shōgi Ōzasen, Yonnen Renzoku Nijūsankime" 羽生王座が防衛に成功 将棋王座戦, 4年連続23期目 [Habu Successfully Defends Oza Title for 4th Consecutive Year to Hold Title for 23rd Time Overall]. Asahi Shimbun (in Japanese). Retrieved 29 October 2015.
  9. ↑ Yamamura, Hideki (4 October 2016). "Habu Sankan ga Ōza Bōei, Itodani Hachidan ni Sanrenshō" 羽生3冠が王座防衛　糸谷八段に3連勝 [Habu 3-crown defends Oza title by defeating Itodani 8d three straight games]. Mainichi Shimbun (in Japanese). Retrieved 5 October 2016.
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