31st Gosei
Host Organization : Newspaper Go Consortium
Title match
Tournament table
| Players | 1st round | 2nd round | 3rd round | Semifinals | Challenger decision match |
|---|---|---|---|---|---|
| Otake Hideo(HG) | Otake H B+5.5 02-02 |
Cho U W+R 02-23 |
Cho U W+4.5 03-23 |
Cho U B+2.5 06-08 | |
| Seto Taiki(6d) | O Rissei B+2.5 11-10 | ||||
| O Rissei(9d) | |||||
| Imamura Toshiya(9d) | Ko Mosei B+R 12-15 |
Cho U B+R 02-02 | |||
| Ko Mosei(8d) | |||||
| Cho U(M) | Cho U B+R 01-12 | ||||
| Takagi Shoichi(9d) | |||||
| Ueki Yoshio(8d) | Hane N B+R 11-17 |
Yuki S W+R 12-15 |
Ryu Shikun W+R 02-16 | ||
| Hane Naoki(9d) | |||||
| Yamada Kimio(9d) | Yuki S W+R 11-10 | ||||
| Yuki Satoshi(9d) | |||||
| Ryu Shikun(9d) | Ryu Shikun B+3.5 11-17 |
Ryu Shikun B+R 01-19 | |||
| Yamashiro Hiroshi(9d) | |||||
| Takanashi Seiken(8d) | Kudo N B+R 12-01 | ||||
| Kudo Norio(9d) | |||||
| Hikosaka Naoto(9d) | Takemiya M W+R 12-08 |
Takemiya M B+2.5 01-12 |
Yamashita K W+R 03-16 |
Yamashita K W+R 05-11 | |
| Takemiya Masaki(9d) | |||||
| Awaji Shuzo(9d) | Awaji S B+2.5 12-08 | ||||
| Sakai Hideyuki(7d) | |||||
| Cho Riyu(7d) | Nakaonoda T W+R 11-03 |
Yamashita K B+R 11-28 | |||
| Nakaonoda Tomomi(9d) | |||||
| Fujii Shuya(6d) | Yamashita K W+R 11-10 | ||||
| Yamashita Keigo(K) | |||||
| Yokota Shigeaki(9d) | Kobayashi K W+6.5 12-01 |
Kiyonari T B+R 02-02 |
Cho Chikun B+R 03-02 | ||
| Kobayashi Koichi(9d) | |||||
| So Yokoku(8d) | Kiyonari T W+R 12-22 | ||||
| Kiyonari Tetsuya(9d) | |||||
| Nakao Jyungo(8d) | O Meien W+R 12-22 |
Cho Chikun W+7.5 01-19 | |||
| O Meien(9d) | |||||
| Kono Rin(T) | Cho Chikun B+R 11-10 | ||||
| Cho Chikun(J) | |||||
Preliminary tournament A
| Players | 1st round | Final | Players | 1st round | Final | |
|---|---|---|---|---|---|---|
| Kenmochi Jyo(7d) | Takanashi S W+R 08-18 |
Takanashi S W+4.5 10-06 |
Nakane Naoyuki(8d) | Ueki Y B+R 08-18 |
Ueki Y B+R 10-27 | |
| Takanashi Seiken(8d) | Ueki Yoshio(8d) | |||||
| Michael Redmond(9d) | Michael R W+10.5 08-18 |
Ishida Atsushi(9d) | Ishida A B+4.5 10-06 | |||
| Yasuda Yasutoshi(9d) | Nakano Hironari(9d) | |||||
| Takano Hideki(6d) | Kono T W+R 08-25 |
Takagi S B+R 10-06 |
Enda Hideki(9d) | Nakamura S W+3.5 08-18 |
Yamashiro H W+1.5 09-22 | |
| Kono Takashi(7d) | Nakamura Shinya(8d) | |||||
| Kanda Ei(9d) | Takagi S B+R 08-25 |
Yanaka Katsunori(8d) | Yamashiro H B+R 08-18 | |||
| Takagi Shoichi(9d) | Yamashiro Hiroshi(9d) | |||||
| Kubo Hideo(5d) | Awaji S W+R 09-01 |
Awaji S W+R 11-17 |
Imamura Yoshiaki(8d) | Imamura Y W+R 09-01 |
Hikosaka N B+R 10-20 | |
| Awaji Shuzo(9d) | Sakaguchi Ryuzo(9d) | |||||
| Kobayashi Satoru(9d) | Kobayashi S W+R 10-24 |
Hikosaka Naoto(9d) | Hikosaka N B+R 09-29 | |||
| Ishikura Noboru(9d) | Kitano Ryo(7d) | |||||
| Cho Riyu(7d) | Cho Riyu B+6.5 09-08 |
Cho Riyu B+R 09-29 |
Hashiguchi Mika(4d) | Moriyama N W+R 06-29 |
Fujii S B+R 08-17 | |
| Matsumoto Takehisa(6d) | Moriyama Naoki(9d) | |||||
| Kanazawa Hideo(7d) | Morita M B+R 08-18 |
Inoue Kaname(8d) | Fujii S B+5.5 07-13 | |||
| Morita Michihiro(9d) | Fujii Shuya(6d) | |||||
| Ogaki Yusaku(9d) | Takao S W+R 08-18 |
O Meien W+R 10-13 |
Ishii Shinzo(9d) | Yokota S W+R 07-06 |
Yokota S B+R 09-28 | |
| Takao Shinji(H) | Yokota Shigeaki(9d) | |||||
| O Meien(9d) | O Meien W+6.5 09-01 |
Arakaki Shun(8d) | Arakaki S W+13.5 07-27 | |||
| Aoki Shinichi(9d) | Hamada Moriya(6d) | |||||
| Akiyama Jiro(8d) | Akiyama J W+2.5 08-18 |
Ryu Shikun W+1.5 09-15 |
Katsuma Shiro(7d) | Imamura T B+R 08-31 |
Imamura T W+1.5 10-13 | |
| Fukui Susumu(9d) | Imamura Toshiya(9d) | |||||
| Ryu Shikun(9d) | Ryu Shikun W+R 08-18 |
Honda Goro(8d) | Kurahashi M W+R 07-13 | |||
| Iguchi Toyohide(7d) | Kurahashi Masayuki(9d) | |||||
| Tsuruyama Atsushi(6d) | Tsuruyama A W+R 08-18 |
Otake H W+R 09-22 |
Sonoda Yuichi(9d) | Kiyonari T B+R 07-20 |
Kiyonari T B+R 09-29 | |
| Yamada Takuji(7d) | Kiyonari Tetsuya(9d) | |||||
| Otake Hideo(HG) | Otake H W+1.5 08-18 |
Honda Kunihisa(9d) | Honda K B+5.5 07-13 | |||
| Izumitani Hideo(8d) | Muraoka Shigeyuki(9d) | |||||
| Kato Atsushi(8d) | Kato A W+R 08-18 |
Takemiya M W+R 09-22 |
Ota Seido(9d) | Seto T W+R 06-29 |
Seto T B+R 08-10 | |
| Miyazawa Goro(9d) | Seto Taiki(6d) | |||||
| Suzuki Isao(7d) | Takemiya M W+R 08-25 |
Yamazaki Yoshihiro(9d) | Yamazaki Y B+6.5 07-13 | |||
| Takemiya Masaki(9d) | Oyama Kunio(9d) | |||||
| Komatsu Hideki(9d) | Komatsu H W+R 09-29 |
So Yokoku W+10.5 11-17 |
Miyamoto Yoshihisa(9d) | Miyamoto Y B+R 07-06 |
Sakai H W+4.5 09-21 | |
| Mimura Tomoyasu(9d) | Honda Mitsuhiko(8d) | |||||
| Oya Koichi(9d) | So Yokoku B+R 08-15 |
Sakai Hideyuki(7d) | Sakai H W+R 07-13 | |||
| So Yokoku(8d) | Sumi Shinsuke(6d) | |||||
| Rin Shien(6d) | Kobayashi K B+R 08-18 |
Kobayashi K W+1.5 09-22 |
Kataoka Satoshi(9d) | Ko Mosei B+R 08-18 |
Ko Mosei W+R 09-15 | |
| Kobayashi Koichi(9d) | Ko Mosei(8d) | |||||
| Han Zenki(7d) | Han Zenki W+0.5 08-18 |
Hashimoto Yujiro(9d) | ||||
| Ishida Akira(9d) | Suzuki Yoshimichi(6d) | Suzuki Y W+4.5 08-18 |
Kudo N W+2.5 09-15 | |||
| Iwata Tatsuaki(9d) | Iwata T W+1.5 08-18 |
Yamada K W+2.5 09-29 |
Kuwamoto Shinpei(5d) | |||
| Goto Shungo(9d) | Kudo Norio(9d) | |||||
| Hane Yasumasa(9d) | Yamada K B+R 08-18 |
Cho Sonjin(9d) | Cho Sonjin W+R 09-15 |
Kono R B+R 10-13 | ||
| Yamada Kimio(8d) | Okada Shinichiro(8d) | |||||
| Hiroe Hiroyuki(9d) | Nakao J B+3.5 08-25 |
Nakao J W+R 10-13 |
Kono Rin(7d) | |||
| Nakao Jyungo(8d) | ||||||
| Matsuoka Hideki(8d) | Ishii K W+R 08-18 | |||||
| Ishii Kunio(9d) | ||||||