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Tournaments › Oi-sen › FY1971

12th term Oi-sen (FY1971)

WinnerYasuharu OoyamaOi / age 48 Defended
LoserMakoto NakaharaOza・Kisei / age 23
Title match4-3
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← FY1970Back to listFY1972 →

Title match

PlayersWGame 1
7/26		Game 2
8/9		Game 3
8/24		Game 4
9/6		Game 5
9/21		Game 6
9/30		Game 7
10/7
Yasuharu OoyamaOi / age 484○G●S○G○S●G●S○G
Makoto NakaharaOza・Kisei / age 233●S○G●S●G○S○G●S

Challenger final

DateStage / roundWinnerLoser
Jul 1, 1971Challenger finalMakoto NakaharaOza・Kisei / age 23 ○Kunio Yonenaga8-dan / age 28 ●

Red and White leagues

PlayersNakaharaYonenagaNishimuraSekineItayaAriyoshiOouchiKatouMatsudaTanakaRecord
Makoto NakaharaOza・Kisei / age 23－○○○○4W-0L
Kunio Yonenaga8-dan / age 27－○○○○4W-1L
Kazuyoshi Nishimura6-dan / age 29●－●○○3W-2L
Shigeru Sekine8-dan / age 41●－○●○3W-2L
Susumu Itayaage 30●●－○○3W-3L
Michio Ariyoshi8-dan / age 35●○－●○2W-2L
Nobuyuki Oouchi7-dan / age 29●●○－○2W-2L
Hifumi Katoh8-dan / age 31●○●－○2W-3L
Shigeyuki Matsuda8-dan / age 49●●●●－0W-4L
Kaishu Tanaka5-dan / age 24●●●●－0W-4L
DateStage / roundWinnerLoser
Apr 9, 1971League Red Round 1Michio Ariyoshi8-dan / age 35 ○Kazuyoshi Nishimura6-dan / age 29 ●
Apr 13, 1971White league Round 1Shigeru Sekine8-dan / age 41 ○Shigeyuki Matsuda8-dan / age 49 ●
Apr 13, 1971League Red Round 1Nobuyuki Oouchi7-dan / age 29 ○Kaishu Tanaka5-dan / age 24 ●
Apr 15, 1971White league Round 1Makoto NakaharaOza・Kisei / age 23 ○Hifumi Katoh8-dan / age 31 ●
Apr 15, 1971League Red Round 3Kunio Yonenaga8-dan / age 27 ○Kaishu Tanaka5-dan / age 24 ●
Apr 23, 1971League Red Round 2Nobuyuki Oouchi7-dan / age 29 ○Michio Ariyoshi8-dan / age 35 ●
Apr 26, 1971White league Round 2Hifumi Katoh8-dan / age 31 ○Shigeyuki Matsuda8-dan / age 49 ●
Apr 26, 1971White league Round 3Shigeru Sekine8-dan / age 41 ○Susumu Itayaage 30 ●
Apr 28, 1971White league Round 2Makoto NakaharaOza・Kisei / age 23 ○Susumu Itayaage 30 ●
Apr 28, 1971League Red Round 2Kazuyoshi Nishimura6-dan / age 29 ○Kunio Yonenaga8-dan / age 27 ●
May 10, 1971League Red Round 3Kazuyoshi Nishimura6-dan / age 29 ○Nobuyuki Oouchi7-dan / age 29 ●
May 14, 1971White league Round 3Makoto NakaharaOza・Kisei / age 23 ○Shigeyuki Matsuda8-dan / age 49 ●
May 14, 1971White league Round 4Hifumi Katoh8-dan / age 31 ○Shigeru Sekine8-dan / age 41 ●
May 31, 1971League Red Round 4Kunio Yonenaga8-dan / age 27 ○Nobuyuki Oouchi7-dan / age 29 ●
Jun 1, 1971League Red Round 4Michio Ariyoshi8-dan / age 35 ○Kaishu Tanaka5-dan / age 24 ●
Jun 8, 1971White league Round 4Susumu Itayaage 30 ○Shigeyuki Matsuda8-dan / age 49 ●
Jun 10, 1971White league Round 5Makoto NakaharaOza・Kisei / age 23 ○Shigeru Sekine8-dan / age 41 ●
Jun 10, 1971White league Round 5Susumu Itayaage 30 ○Hifumi Katoh8-dan / age 31 ●
Jun 10, 1971League Red Round 5Kunio Yonenaga8-dan / age 28 ○Michio Ariyoshi8-dan / age 35 ●
Jun 10, 1971League Red Round 5Kazuyoshi Nishimura6-dan / age 29 ○Kaishu Tanaka5-dan / age 24 ●
Jun 24, 1971League Red PlayoffKunio Yonenaga8-dan / age 28 ○Kazuyoshi Nishimura6-dan / age 29 ●
Aug 25, 1971White league Relegation playoffSusumu Itayaage 30 ○Hifumi Katoh8-dan / age 31 ●
Aug 27, 1971White league Relegation playoffShigeru Sekine8-dan / age 41 ○Susumu Itayaage 30 ●

Prelims (64 games)

Show bracket and games
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Final
Hifumi Katoh8-dan / age 31○
Hisao Hasebe7-dan / age 37●
Feb 19, 1971
Round 3
Hisao Hasebe7-dan / age 37○
Seiichi Kobori8-dan / age 58●
Jan 8, 1971
Round 2
Seiichi Kobori8-dan / age 58○
Daigorou Satou7-dan / age 33●
Oct 9, 1970
Round 1
Seiichi Kobori8-dan / age 58○
Toratsugu Nomoto4-dan / age 25●
Sep 18, 1970
Seed
Daigorou Satou7-dan / age 33
Round 2
Hisao Hasebe7-dan / age 37○
Yasuo Harada8-dan / age 47●
Oct 22, 1970
Round 1
Hisao Hasebe7-dan / age 37○
Hideo Yamaguchi5-dan / age 29●
Sep 25, 1970
Seed
Yasuo Harada8-dan / age 47
Round 3
Hifumi Katoh8-dan / age 31○
Noboru Ootomo8-dan / age 39●
Jan 12, 1971
Round 2
Noboru Ootomo8-dan / age 39○
Tsutomu Matsushita8-dan / age 57●
Oct 23, 1970
Round 1
Tsutomu Matsushita8-dan / age 57○
Nobuhiko Sakaguchiage 61●
Sep 25, 1970
Seed
Noboru Ootomo8-dan / age 39
Round 2
Hifumi Katoh8-dan / age 30○
Shouji Kenmochi6-dan / age 36●
Dec 17, 1970
Round 1
Shouji Kenmochi6-dan / age 36○
Ichirou Tanabe4-dan / age 32●
Oct 2, 1970
Seed
Hifumi Katoh8-dan / age 30
Nobuyuki Oouchi7-dan / age 29○
Hirofumi Serizawa8-dan / age 34●
Mar 4, 1971
Round 3
Nobuyuki Oouchi7-dan / age 29○
Takeshi Takadaage 33●
Nov 13, 1970
Round 2
Takeshi Takadaage 33○
Kozo Masuda9-dan / age 52●
Oct 5, 1970
Round 1
Takeshi Takadaage 33○
Osamu Katsuura5-dan / age 24●
Sep 16, 1970
Seed
Kozo Masuda9-dan / age 52
Round 2
Nobuyuki Oouchi7-dan / age 29○
Toshikatsu Yoshida5-dan / age 37●
Oct 8, 1970
Round 1
Toshikatsu Yoshida5-dan / age 37○
Kiyosaku Sekiya5-dan / age 36●
Sep 16, 1970
Seed
Nobuyuki Oouchi7-dan / age 29
Round 3
Hirofumi Serizawa8-dan / age 34○
Yukio Miyasaka7-dan / age 41●
Feb 2, 1971
Round 2
Hirofumi Serizawa8-dan / age 34○
Toyoichi Igarashi8-dan / age 46●
Oct 26, 1970
Round 1
Toyoichi Igarashi8-dan / age 45○
Noboru Sakurai5-dan / age 29●
Sep 16, 1970
Seed
Hirofumi Serizawa8-dan / age 34
Round 2
Yukio Miyasaka7-dan / age 40○
Hiroji Katou8-dan / age 47●
Nov 4, 1970
Round 1
Yukio Miyasaka7-dan / age 40○
Yukio Shimodairaage 45●
Oct 12, 1970
Seed
Hiroji Katou8-dan / age 47
Kaishu Tanaka4-dan / age 24○
Shizuo Kanda6-dan / age 41●
Mar 17, 1971
Round 3
Kaishu Tanaka4-dan / age 23○
Hiromitsu Takashimaage 29●
Nov 16, 1970
Round 2
Hiromitsu Takashimaage 29○
松浦卓造age 55●
Oct 12, 1970
Round 1
Hiromitsu Takashimaage 29○
Keizo Futamiage 38●
Sep 16, 1970
Seed
Round 2
Kaishu Tanaka4-dan / age 23○
Michihito Kumagai8-dan / age 39●
Nov 5, 1970
Round 1
Kaishu Tanaka4-dan / age 23○
Hidemitsu Moriyasu5-dan / age 21●
Sep 17, 1970
Seed
Michihito Kumagai8-dan / age 39
Round 3
Shizuo Kanda6-dan / age 40○
Shimei Okazaki7-dan / age 63●
Jan 27, 1971
Round 2
Shizuo Kanda6-dan / age 40○
Kazumasa Yamanakaage 55●
Nov 2, 1970
Round 1
Kazumasa Yamanakaage 55○
Masakazu Wakamatsu4-dan / age 31●
Sep 11, 1970
Seed
Shizuo Kanda6-dan / age 40
Round 2
Shimei Okazaki7-dan / age 63○
Kunio Naitou8-dan / age 31●
Dec 17, 1970
Round 1
Shimei Okazaki7-dan / age 63○
Seiichirou Taki4-dan / age 21●
Sep 18, 1970
Seed
Kunio Naitou8-dan / age 31
Susumu Itayaage 30○
Renshou Nada8-dan / age 44●
Mar 23, 1971
Round 3
Renshou Nada8-dan / age 43○
Kiyozumi Kiriyama6-dan / age 23●
Dec 21, 1970
Round 2
Renshou Nada8-dan / age 43○
Sanji Hashimoto5-dan / age 44●
Oct 23, 1970
Round 1
Sanji Hashimoto5-dan / age 44○
Keizou Hoshidaage 53●
Sep 30, 1970
Seed
Renshou Nada8-dan / age 43
Round 2
Kiyozumi Kiriyama6-dan / age 23○
Akira Kinoshita4-dan / age 31●
Nov 12, 1970
Round 1
Akira Kinoshita4-dan / age 31○
Kazuhisa Oomura6-dan / age 42●
Oct 14, 1970
Seed
Kiyozumi Kiriyama6-dan / age 23
Round 3
Susumu Itayaage 30○
Genichi Oono8-dan / age 59●
Feb 1, 1971
Round 2
Susumu Itayaage 29○
Kazuo Ishida6-dan / age 23●
Oct 20, 1970
Round 1
Kazuo Ishida6-dan / age 23○
Toshiyuki Tsubouchi4-dan / age 21●
Sep 9, 1970
Seed
Round 2
Genichi Oono8-dan / age 59○
Shigekazu Minamiguchi8-dan / age 52●
Nov 6, 1970
Round 1
Shigekazu Minamiguchi8-dan / age 52○
Hidejiro Kitamuraage 62●
Oct 5, 1970
Seed
Genichi Oono8-dan / age 59
Shigeru Sekine8-dan / age 41○
Shizuo Seino6-dan / age 48●
Mar 18, 1971
Round 3
Shizuo Seino6-dan / age 48○
Chimine Yamaguchiage 33●
Nov 18, 1970
Round 2
Chimine Yamaguchiage 33○
Masao TsukadaLifetime 9-dan / age 56●
Oct 13, 1970
Round 1
Chimine Yamaguchiage 33○
Shuuichi Ikedaage 25●
Sep 16, 1970
Seed
Masao TsukadaLifetime 9-dan / age 56
Round 2
Shizuo Seino6-dan / age 48○
Masao Kitamura7-dan / age 35●
Oct 22, 1970
Round 1
Shizuo Seino6-dan / age 48○
Yoshitaka Kimura4-dan / age 39●
Oct 5, 1970
Seed
Masao Kitamura7-dan / age 35
Round 3
Shigeru Sekine8-dan / age 41○
Motoji Hanamura8-dan / age 53●
Dec 8, 1970
Round 2
Motoji Hanamura8-dan / age 52○
Keiji Mori4-dan / age 24●
Oct 29, 1970
Round 1
Keiji Mori4-dan / age 24○
Yuji Sase7-dan / age 51●
Sep 25, 1970
Seed
Motoji Hanamura8-dan / age 52
Round 2
Shigeru Sekine8-dan / age 41○
Yoshimasa Saeki6-dan / age 34●
Nov 10, 1970
Michio Ariyoshi8-dan / age 35○
Tatsuya Futakami8-dan / age 39●
Mar 23, 1971
Round 3
Michio Ariyoshi8-dan / age 35○
Souetsu Honmaage 51●
Dec 23, 1970
Round 2
Michio Ariyoshi8-dan / age 35○
Yoshinori Satou4-dan / age 21●
Oct 23, 1970
Round 1
Yoshinori Satou4-dan / age 21○
Yasuo Dateage 34●
Oct 20, 1970
Seed
Michio Ariyoshi8-dan / age 35
Round 2
Souetsu Honmaage 50○
Mitsuo Kakutaage 60●
Nov 12, 1970
Round 1
Mitsuo Kakutaage 60○
Fumio Kitamuraage 50●
Oct 14, 1970
Seed
Round 3
Tatsuya Futakami8-dan / age 39○
Eiji Ooharaage 42●
Feb 10, 1971
Round 2
Eiji Ooharaage 41○
Yoshinori Kimura6-dan / age 35●
Oct 28, 1970
Round 2
Tatsuya Futakami8-dan / age 38○
Mikio Tomizawaage 50●
Nov 4, 1970
Round 1
Mikio Tomizawaage 50○
Toshihiko Kawaguchi4-dan / age 33●
Sep 25, 1970
Seed
Tatsuya Futakami8-dan / age 38

Bracket 1

Best 16

Quarterfinal

Semifinal

Final

Bracket 2

Best 16

Quarterfinal

Semifinal

Final

Bracket 3

Best 16

Quarterfinal

Semifinal

Final

Bracket 4

Best 16

Quarterfinal

Semifinal

Final

Bracket 5

Best 16

Quarterfinal

Semifinal

Final

Bracket 6

Best 16

Quarterfinal

Semifinal

Final

View all games (64 games)
DateStage / roundWinnerLoser
Sep 9, 1970Prelims Round 1Kazuo Ishida6-dan / age 23 ○Toshiyuki Tsubouchi4-dan / age 21 ●
Sep 11, 1970Prelims Round 1Kazumasa Yamanakaage 55 ○Masakazu Wakamatsu4-dan / age 31 ●
Sep 16, 1970Prelims Round 1Toyoichi Igarashi8-dan / age 45 ○Noboru Sakurai5-dan / age 29 ●
Sep 16, 1970Prelims Round 1Hiromitsu Takashimaage 29 ○Keizo Futamiage 38 ●
Sep 16, 1970Prelims Round 1Toshikatsu Yoshida5-dan / age 37 ○Kiyosaku Sekiya5-dan / age 36 ●
Sep 16, 1970Prelims Round 1Chimine Yamaguchiage 33 ○Shuuichi Ikedaage 25 ●
Sep 16, 1970Prelims Round 1Takeshi Takadaage 33 ○Osamu Katsuura5-dan / age 24 ●
Sep 17, 1970Prelims Round 1Kaishu Tanaka4-dan / age 23 ○Hidemitsu Moriyasu5-dan / age 21 ●
Sep 18, 1970Prelims Round 1Seiichi Kobori8-dan / age 58 ○Toratsugu Nomoto4-dan / age 25 ●
Sep 18, 1970Prelims Round 1Shimei Okazaki7-dan / age 63 ○Seiichirou Taki4-dan / age 21 ●
Sep 25, 1970Prelims Round 1Tsutomu Matsushita8-dan / age 57 ○Nobuhiko Sakaguchiage 61 ●
Sep 25, 1970Prelims Round 1Mikio Tomizawaage 50 ○Toshihiko Kawaguchi4-dan / age 33 ●
Sep 25, 1970Prelims Round 1Keiji Mori4-dan / age 24 ○Yuji Sase7-dan / age 51 ●
Sep 25, 1970Prelims Round 1Hisao Hasebe7-dan / age 37 ○Hideo Yamaguchi5-dan / age 29 ●
Sep 30, 1970Prelims Round 1Sanji Hashimoto5-dan / age 44 ○Keizou Hoshidaage 53 ●
Oct 2, 1970Prelims Round 1Shouji Kenmochi6-dan / age 36 ○Ichirou Tanabe4-dan / age 32 ●
Oct 5, 1970Prelims Round 2Takeshi Takadaage 33 ○Kozo Masuda9-dan / age 52 ●
Oct 5, 1970Prelims Round 1Shigekazu Minamiguchi8-dan / age 52 ○Hidejiro Kitamuraage 62 ●
Oct 5, 1970Prelims Round 1Shizuo Seino6-dan / age 48 ○Yoshitaka Kimura4-dan / age 39 ●
Oct 8, 1970Prelims Round 2Nobuyuki Oouchi7-dan / age 29 ○Toshikatsu Yoshida5-dan / age 37 ●
Oct 9, 1970Prelims Round 2Seiichi Kobori8-dan / age 58 ○Daigorou Satou7-dan / age 33 ●
Oct 12, 1970Prelims Round 1Yukio Miyasaka7-dan / age 40 ○Yukio Shimodairaage 45 ●
Oct 12, 1970Prelims Round 2Hiromitsu Takashimaage 29 ○松浦卓造age 55 ●
Oct 13, 1970Prelims Round 2Chimine Yamaguchiage 33 ○Masao TsukadaLifetime 9-dan / age 56 ●
Oct 14, 1970Prelims Round 1Mitsuo Kakutaage 60 ○Fumio Kitamuraage 50 ●
Oct 14, 1970Prelims Round 1Akira Kinoshita4-dan / age 31 ○Kazuhisa Oomura6-dan / age 42 ●
Oct 20, 1970Prelims Round 1Yoshinori Satou4-dan / age 21 ○Yasuo Dateage 34 ●
Oct 20, 1970Prelims Round 2Susumu Itayaage 29 ○Kazuo Ishida6-dan / age 23 ●
Oct 22, 1970Prelims Round 2Hisao Hasebe7-dan / age 37 ○Yasuo Harada8-dan / age 47 ●
Oct 22, 1970Prelims Round 2Shizuo Seino6-dan / age 48 ○Masao Kitamura7-dan / age 35 ●
Oct 23, 1970Prelims Round 2Noboru Ootomo8-dan / age 39 ○Tsutomu Matsushita8-dan / age 57 ●
Oct 23, 1970Prelims Round 2Renshou Nada8-dan / age 43 ○Sanji Hashimoto5-dan / age 44 ●
Oct 23, 1970Prelims Round 2Michio Ariyoshi8-dan / age 35 ○Yoshinori Satou4-dan / age 21 ●
Oct 26, 1970Prelims Round 2Hirofumi Serizawa8-dan / age 34 ○Toyoichi Igarashi8-dan / age 46 ●
Oct 28, 1970Prelims Round 2Eiji Ooharaage 41 ○Yoshinori Kimura6-dan / age 35 ●
Oct 29, 1970Prelims Round 2Motoji Hanamura8-dan / age 52 ○Keiji Mori4-dan / age 24 ●
Nov 2, 1970Prelims Round 2Shizuo Kanda6-dan / age 40 ○Kazumasa Yamanakaage 55 ●
Nov 4, 1970Prelims Round 2Tatsuya Futakami8-dan / age 38 ○Mikio Tomizawaage 50 ●
Nov 4, 1970Prelims Round 2Yukio Miyasaka7-dan / age 40 ○Hiroji Katou8-dan / age 47 ●
Nov 5, 1970Prelims Round 2Kaishu Tanaka4-dan / age 23 ○Michihito Kumagai8-dan / age 39 ●
Nov 6, 1970Prelims Round 2Genichi Oono8-dan / age 59 ○Shigekazu Minamiguchi8-dan / age 52 ●
Nov 10, 1970Prelims Round 2Shigeru Sekine8-dan / age 41 ○Yoshimasa Saeki6-dan / age 34 ●
Nov 12, 1970Prelims Round 2Souetsu Honmaage 50 ○Mitsuo Kakutaage 60 ●
Nov 12, 1970Prelims Round 2Kiyozumi Kiriyama6-dan / age 23 ○Akira Kinoshita4-dan / age 31 ●
Nov 13, 1970Prelims Round 3Nobuyuki Oouchi7-dan / age 29 ○Takeshi Takadaage 33 ●
Nov 16, 1970Prelims Round 3Kaishu Tanaka4-dan / age 23 ○Hiromitsu Takashimaage 29 ●
Nov 18, 1970Prelims Round 3Shizuo Seino6-dan / age 48 ○Chimine Yamaguchiage 33 ●
Dec 8, 1970Prelims Round 3Shigeru Sekine8-dan / age 41 ○Motoji Hanamura8-dan / age 53 ●
Dec 17, 1970Prelims Round 2Shimei Okazaki7-dan / age 63 ○Kunio Naitou8-dan / age 31 ●
Dec 17, 1970Prelims Round 2Hifumi Katoh8-dan / age 30 ○Shouji Kenmochi6-dan / age 36 ●
Dec 21, 1970Prelims Round 3Renshou Nada8-dan / age 43 ○Kiyozumi Kiriyama6-dan / age 23 ●
Dec 23, 1970Prelims Round 3Michio Ariyoshi8-dan / age 35 ○Souetsu Honmaage 51 ●
Jan 8, 1971Prelims Round 3Hisao Hasebe7-dan / age 37 ○Seiichi Kobori8-dan / age 58 ●
Jan 12, 1971Prelims Round 3Hifumi Katoh8-dan / age 31 ○Noboru Ootomo8-dan / age 39 ●
Jan 27, 1971Prelims Round 3Shizuo Kanda6-dan / age 40 ○Shimei Okazaki7-dan / age 63 ●
Feb 1, 1971Prelims Round 3Susumu Itayaage 30 ○Genichi Oono8-dan / age 59 ●
Feb 2, 1971Prelims Round 3Hirofumi Serizawa8-dan / age 34 ○Yukio Miyasaka7-dan / age 41 ●
Feb 10, 1971Prelims Round 3Tatsuya Futakami8-dan / age 39 ○Eiji Ooharaage 42 ●
Feb 19, 1971Prelims FinalHifumi Katoh8-dan / age 31 ○Hisao Hasebe7-dan / age 37 ●
Mar 4, 1971Prelims FinalNobuyuki Oouchi7-dan / age 29 ○Hirofumi Serizawa8-dan / age 34 ●
Mar 17, 1971Prelims FinalKaishu Tanaka4-dan / age 24 ○Shizuo Kanda6-dan / age 41 ●
Mar 18, 1971Prelims FinalShigeru Sekine8-dan / age 41 ○Shizuo Seino6-dan / age 48 ●
Mar 23, 1971Prelims FinalSusumu Itayaage 30 ○Renshou Nada8-dan / age 44 ●
Mar 23, 1971Prelims FinalMichio Ariyoshi8-dan / age 35 ○Tatsuya Futakami8-dan / age 39 ●

Stage names are as recorded; exact bracket positions are not known. Terms are divided by the term numbers in the records.