The 30th Kisei was held from May 2005 to February 22, 2006. The players to have qualified through preliminary tournaments are Toshiya Imamura, Atsushi Kato, Hideki Komatsu, and Kunihisa Honda. The players to have returned from the previous year are Satoshi Yuki, Norimoto Yoda, Cho U, Tomoyasu Mimura, Keigo Yamashita, O Rissei, O Meien, and Kobayashi Satoru. The two players with the worst records at the end of each league are disqualified from an automatic berth in the following tournament.
Keigo Yamashita came out victorious with a sweep of 4 games to none. It was the first time since the 5th Kisei in 1981 where there was a sweep.[1] The title was Yamashita's second Kisei in 3 years, the first coming in the 27th Kisei versus O Rissei.[2]
Preliminaries
Group A
| Quarter-finals | Semi-finals | Final | ||||||||
| Toshiya Imamura 9 dan | 1 | |||||||||
| Rin Kono 7 dan | 0 | |||||||||
| Toshiya Imamura 9 dan | 1 | |||||||||
| Ei Kandei 9 dan | 0 | |||||||||
| Ei Kandei 9 dan | 1 | |||||||||
| Yusaku Ogaki 9 dan | 0 | |||||||||
| Toshiya Imamura 9 dan | 1 | |||||||||
| Kim Shushun 7 dan | 0 | |||||||||
| Ei Umeki 8 dan | 0 | |||||||||
| Kim Shushun 7 dan | 1 | |||||||||
| Kim Shushun 7 dan | 1 | |||||||||
| Cho Chikun Judan | 0 | |||||||||
| Yasumasa Hane 9 dan | 0 | |||||||||
| Cho Chikun Judan | 1 | |||||||||
Group B
| Quarter-finals | Semi-finals | Final | ||||||||
| Rin Kaiho Honorary Tengen | 0 | |||||||||
| Atsushi Kato 8 dan | 1 | |||||||||
| Atsushi Kato 8 dan | 1 | |||||||||
| Yuta Iyama 3 dan | 0 | |||||||||
| Yuta Iyama 3 dan | 1 | |||||||||
| Shigeaki Yokota 9 dan | 0 | |||||||||
| Atsushi Kato 8 dan | 1 | |||||||||
| Goro Miyazawa 9 dan | 0 | |||||||||
| Hironari Kano 9 dan | 0 | |||||||||
| Hideo Otake Honorary Gosei | 1 | |||||||||
| Hideo Otake Honorary Gosei | 0 | |||||||||
| Goro Miyazawa 9 dan | 1 | |||||||||
| Koichi Oya 9 dan | 0 | |||||||||
| Goro Miyazawa 9 dan | 1 | |||||||||
Group C
| Quarter-finals | Semi-finals | Final | ||||||||
| Norio Kudo 9 dan | 0 | |||||||||
| Masaki Ogata 9 dan | 1 | |||||||||
| Ogata Masaki 9 dan | 1 | |||||||||
| Masayuki Kurahashi 9 dan | 0 | |||||||||
| Masayuki Kurahashi 9 dan | 1 | |||||||||
| Yoshio Ishida Honorary Honinbo | 0 | |||||||||
| Ogata Masaki 9 dan | 0 | |||||||||
| Hideki Komatsu 9 dan | 1 | |||||||||
| Hideki Komatsu 9 dan | 1 | |||||||||
| Yoshio Ueki 8 dan | 0 | |||||||||
| Hideki Komatsu 9 dan | 1 | |||||||||
| Yoshiaki Imamura 8 dan | 0 | |||||||||
| Yuichi Sonada 9 dan | 0 | |||||||||
| Yoshiaki Imamura 8 dan | 1 | |||||||||
Group D
| Quarter-finals | Semi-finals | Final | ||||||||
| Seiken Takanashi 8 dan | 0 | |||||||||
| Michihiro Morita 9 dan | 1 | |||||||||
| Michihiro Morita 9 dan | 1 | |||||||||
| Kimio Yamada 8 dan | 0 | |||||||||
| Kimio Yamada 8 dan | 1 | |||||||||
| Shungo Goto 9 dan | 0 | |||||||||
| Michihiro Morita 9 dan | 0 | |||||||||
| Kunihisa Honda 9 dan | 1 | |||||||||
| Kunihisa Honda 9 dan | 1 | |||||||||
| Hideki Enda 9 dan | 0 | |||||||||
| Kunihisa Honda 9 dan | 1 | |||||||||
| Ryu Shikun 9 dan | 0 | |||||||||
| Rin Shien 6 dan | 0 | |||||||||
| Ryu Shikun 9 dan | 1 | |||||||||
Main tournament
Group A
| Player | S.Y. | N.Y. | C.U. | M.T. | K.H. | A.K. | T |
|---|---|---|---|---|---|---|---|
| Satoshi Yuki 9 dan | X | W+6.5 | W+R | W+R | W+R | W+8.5 | 5-0 |
| Norimoto Yoda Gosei | L+6.5 | X | W+R | L+R | W+2.5 | L+0.5 | 2-3* |
| Cho U Meijin | L+R | L+R | X | W+R | W+R | L+0.5 | 2-3 |
| Tomoyasu Mimura 9 dan | L+R | W+R | L+R | X | W+R | W+R | 3-2 |
| Kunihisa Honda 9 dan | L+R | L+2.5 | L+R | L+R | X | L+R | 0-5 |
| Atsushi Kato 8 dan | L+8.5 | W+0.5 | W+0.5 | L+R | W+R | X | 3-2 |
* Norimoto Yoda held the tiebreaker over Cho U.
Group B
| Player | K.Y. | O.R. | O.M. | S.K. | T.I. | H.K. | T |
|---|---|---|---|---|---|---|---|
| Keigo Yamashita Tengen | X | W+R | W+R | W+R | W+R | L+R | 4-1 |
| O Rissei 9 dan | L+R | X | L+R | W+0.5 | W+R | L+3.5 | 2-3** |
| O Meien 9 dan | L+R | W+R | X | L+6.5 | W+R | L+R | 2-3 |
| Kobayashi Satoru 9 dan | L+R | L+0.5 | W+6.5 | X | W+R | W+1.5 | 3-2 |
| Toshiya Imamura 9 dan | L+R | L+R | L+R | L+R | X | W+R | 1-4 |
| Hideki Komatsu 9 dan | W+R | W+3.5 | W+R | L+1.5 | L+R | X | 3-2 |
** O Rissei held the tiebreaker over O Meien. [3]
Key:
- Green - Winner of group; earns a spot in the challenger final.
- Blue - Earns a place in the next edition's group stage.
- Red - Eliminated from automatic berth; must qualify through preliminary stages.
Challenger finals
| Final | ||||
| Satoshi Yuki 9 dan | 0 | |||
| Keigo Yamashita Tengen | 1 | |||
Finals
Player |
1 (Berlin) |
2 (Gifu) |
3 (Kyoto) |
4 (Kumamoto) |
5 (Toyama) |
6 (Shizuoka) |
7 (Fukushima) |
T |
|---|---|---|---|---|---|---|---|---|
| Naoki Hane (Kisei) | 0 | |||||||
| Keigo Yamashita (Challenger) | W+R | W+6.5 | W+1.5 | W+2.5 | 4 |