51st Oza-sen

Host Organization: Nihon Keizai Shimbun

Title Match Players	1st Round 10-30 Tokyo	2nd Round 11-06 Kohbe	3rd Round 11-27 Atami	4th Round 12-04 Utsunomiya	5th Round 12-11 Yokohama
O Meien (Oza)	B+R
Cho U (Honinbo)

Records of O Meien vs. Cho U
Title matches will be LIVED on Sponsor's page.

Tournament Table

Tournament Players	1st Round	2nd Round	Semifinals	spcFinalspc
Mimura Tomohasu(9d)	Yamashiro H W+0.5 04-10	Yamashiro H B+2.5 06-26	Cho U B+R 08-14	Cho U W+3.5 09-18
Yamashiro Hiroshi(9d)
Cho Chikun(25H)	Cho Chikun B+3.5 04-24
Kudo Norio(9d)
Cho U(7d)	Cho U B+1.5 03-27	Cho U B+R 05-22
Hane Naoki(T)
Izumitani Hideo(8d)	Yoda N B+4.5 04-03
Yoda Norimoto(M)
O Rissei(J)	Kato K W+R 05-02	Kato K W+2.5 05-22	Kato M B+R 08-14
Kato Kensei(H)
Kato Atsushi(8d)	Rin Kaiho B+R 04-24
Rin Kaiho(HT)
Yuki Satoshi(KK)	Yuki S W+R 03-20	Takao S W+R 07-17
Ogata Maki(9d)
Takao Shinji(8d)	Takao S W+0.5 05-15
Yamada Kimio(8d)

Refer to Challenger decision match result.
Cho U is promoted to 8-dan on 01 April. Now Cho U is Honinbo & 9-dan.

Note;
  (K); Kisei   (M); Meijin   (H); Honinbo   (J); Judan   (G); Gosei
  (KK); Kakusei,  (25H); 25th Honinbo  (T); Tengen  (HT); honorary Tengen
History;
  2003-03-21 Page was recreated.
  2003-03-28 Updated.
  2003-04-04,11,18,25 Updated.
  2003-05-02,06,09,16,23 Updated.
  2003-06-20,27 pdated.
  2003-07-11,18 Updated.
  2003-08-08,15,30 Updated.
  2003-09-12,22 Updated.
  2003-10-14,30 Updated.

50th Oza-sen

Host Organization: Nihon Keizai Shimbun

Title Match Players	1st Round 10-10 Shanghai China	2nd Round 10-31 Innoshima Hiroshima	3rd Round 11-21   Yamagata	4th Round 11-28   Tokyo	5th Round 12-12 Doi Shizuoka
Cho Chikun Oza	W+R			B+R	?+?
O Meien 9 dan	?+?	W+T	B+0.5		W+R

O Meien becomes new Oza by 3-2.
Cho Chikun(Oza) lost the game by time-out at 2nd round.
Visit Sponsor's Page

Tournament Players	1st Round	2nd Round	Semifinals	spcFinalspc
O Meien(H)	O Meien B+R 03-07	O Meien B+R 04-18	O Meien B+3.5 06-20	O Meien B+2.5 08-15
Imamura Toshiya(9d)
Yamashiro Hiroshi(9d)	Yamashiro H B+1.5 03-28
Kudo Norio(9d)
Yoda Norimoto(M)	Yoda N B+4.5 03-07	Yoda N B+3.5 05-23
Takagi Shoichi(9d)
Yuki Satoshi(9d)	Kobayashi K W+R 03-07
Kobayashi Koichi(G)
Kato Masao(9d)	Kato M W+0.5 03-21	Kato M B+R 05-09	Kato M B+R 07-18
Kato Atsushi(8d)
Honda Kunihisa(9d)	Honda K W+R 04-11
Ryu Shikun(7d)
O Rissei(KJ)	Kono Rin W+R 05-23	Kono Rin B+3.5 06-27
Kono Rin(6d)
Hikosaka Naoto(9d)	Rin Kaiho B+R 04-18
Rin Kaiho(9d)

Note;
  (K); Kisei   (M); Meijin   (H); Honinbo   (J); Judan   (G); Gosei

History;
  2002-03-08 Page was recreated.
  2002-03-15,22,29 Updaated.
  2002-04-12,19 Updated.
  2002-05-03,10,17,24 Updated.
  2002-06-18,21,28 Updated.
  2002-07-12,19 Updated.
  2002-08-05,15 Updated.
  2002-09-14 Updated.
  2002-10-31 Updated.
  2002-11-21,28 Updated.
  2002-12-12 Updated.

49th Oza-sen

Host Organization: Nihon Keizai Shimbun

Title Match Players	1st Round 10-19 Yokohama	2nd Round 11-01 Osaka	3rd Round 11-14 Fukushima	4th Round 11-29 Yamagata	5th Round 12-06 Tokyo/TH>
O Rissei Oza(Kisei)	?+?				?+?
Cho Chikun(25H)	B+R	W+7.5	B+R	?+?	?+?

Cho Chikun got the Oza title at 3-0.
Refer to Sponcer's page.

Tournament Players	1st Round	2nd Round	Semifinals	spcFinalspc
Cho Sonjin(9d)	Komatsu H W+R 04-12	Cho Chikun B+R 05-24	Cho Chikun B+R 07-05	Cho Chikun W+5.5 08-23
Komatsu Hideki(9d)
Cho Chikun(25H)	Cho Chikun B+R 04-26
Yamashiro Hiroshi(9d)
Yoda Norimoto(M)	Yoda N W+R 03-22	Yoda N B+R 04-26
Yuki Satoshi(9d)
Goto Shungo(9d)	Goto S B+R 03-15
So Kofuku(8d)
Kobayashi Koichi(J)	Kobayashi K B+9.5 03-29	Kobayashi K B+2.5 05-30	Kato A B+1.5 06-28
Yamada Kimio(8d)
Takagi Shoichi(9d)	O Meien B+R 03-01
O Meien(H)
Nakano Yasuhiro(7d)	Nakano Y B+2.5 05-09	Kato A W+R 06-07
Kato Masao(9d)
Shiraishi Yutaka(9d)	Kato A B+R 04-05
Kato Atsushi(7d)

Note;
  (M); Meijin   (H); Honinbo   (J); Judan

History;
  2001-03-06 Page was recreated.
  2001-03-13,16,23 Updaated.
  2001-04-03,06,13,27 Updated.
  2001-05-13,26 Updated.
  2001-06-01,08,29 Updated.
  2001-07-06,24 Updated.
  2001-10-13,17,19 Updaated.
  2001-11-01,14 Updated.

48th Oza-sen

Host Organization: Nihon Keizai Shimbun

Title Match Players	1st Round 10-23 Turumaki	2nd Round 11-22 Kobe	3rd Round 11-30 Toyooka	4th Round 12-14 Tokyo	5th Round 12-21 Yokohama
O Rissei Oza(Kisei)	?+?	W+0.5	B+6.5	W+R	?+?
Cho Chikun(25Honinbo)	W+R	?+?	?+?	?+?	?+?

Tournament Players	1st Round	2nd Round	Semifinals	spcFinalspc
Kobayashi Satoru(9d)	Kobatashi S W+R 03-16	Yoda N W+2.5 07-06	Yoda N B+R 08-17	Cho C B+R 08-24
Yamada Kimio(8d)
Yoda Norimoto(9d)	Yoda N B+4.5 03-30
Yamashita Keigo(6d)
Kamimura Haruo(9d)	Awaji S B+R 03-16	Kudo N W+4.5 06-15
Awaji Shuzo(9d)
Kudo Norio(9d)	Kudo N B+R 04-13
Yasuda Yasutoshi(9d)
Cho Chikun(M)	Cho C B+R 03-30	Cho C W+0.5 06-08	Cho C B+4.5 06-29
Kono Takashi(6d)
Hikosaka Naoto(9d)	Hikosaka N W+3.5 03-30
Nakamura Shin'ya(7d)
Goto Shungo(9d)	Kobayashi K B+R 04-27	Kato M B+5.5 05-25
Kobayashi Koichi(J)
Yukawa Mitsuhisa(9d)	Kato M W+1.5 05-11
Kato Masao(9d)

Note;
  (M); Meijin   (J); Judan

History;
  2000-08-27 Page was created.
  2000-10-15,23 Updated.
  2000-11-23 Updated.
  2000-12-01,15 Updated.