The 66th Honinbo began league play on 7 October 2010 and completed on July 21, 2011. Title holder Yamashita Keigo retained his title over challenger Hane Naoki by a score of 4-3. Yamashita Keigo won the first three games, Hane Naoki the next three, and Yamashita Keigo the final game.[1]
Preliminary tournament
The preliminary tournament started on 8 April 2010. Hane Naoki, Iyama Yuta, Takao Shinji, and Cho U retained their place in the Honinbo league from the 65th Honinbo. These players were joined by the winners of the preliminary tournament: Cho Sonjin, Seto Taiki, O Rissei, and Kobayashi Satoru.
| Quarter-finals | | Semi-finals | | Final |
| | | | | | | | | | |
| 13 May | | | | | |
|
| Yamashiro Hiroshi | 1 |
| 17 June |
| Fujita Akihiko | 0
| |
| Yamashiro Hiroshi | 1 |
| 27 May |
| | Takashima Takeshi | 0
| |
| Goto Shungo | 0 |
| | 12 August |
| Takashima Takeshi | 1
| |
| Yamashiro Hiroshi | 0 |
| 20 May |
| | Cho Sonjin | 1
|
| Ohashi Hirofumi | 0 |
| 1 July | |
| Uchida Shuhei | 1
| |
| Uchida Shuhei | 0 |
| 27 May |
| | Cho Sonjin | 1
| |
| Cho Sonjin | 1 |
| |
| Yamada Kimio | 0
| |
|
| Quarter-finals | | Semi-finals | | Final |
| | | | | | | | | | |
| 13 May | | | | | |
|
| Hoshino Masaki | 0 |
| 10 June |
| Kataoka Satoshi | 1
| |
| Kataoka Satoshi | 1 |
| 13 May |
| | Obuchi Morito | 0
| |
| Obuchi Morito | 1 |
| | 29 July |
| Yasuda Yasutoshi | 0
| |
| Kataoka Satoshi | 0 |
| 13 May |
| | Seto Taiki | 1
|
| Yamada Noriyoshi | 0 |
| 24 June | |
| Akiyama Jiro | 1
| |
| Akiyama Jiro | 0 |
| 27 May |
| | Seto Taiki | 1
| |
| Seto Taiki | 1 |
| |
| Mimura Tomoyasu | 0
| |
|
| Quarter-finals | | Semi-finals | | Final |
| | | | | | | | | | |
| 13 May | | | | | |
|
| Nakane Naoyuki | 0 |
| 24 June |
| Nakano Hironari | 1
| |
| Nakano Hironari | 0 |
| 3 June |
| | Kono Rin | 1
| |
| Ogata Masaki | 0 |
| | 2 September |
| Kono Rin | 1
| |
| Kono Rin | 0 |
| 20 May |
| | O Rissei | 1
|
| O Rissei | 1 |
| 15 July | |
| Mochizuki Kenichi | 0
| |
| O Rissei | 1 |
| 27 May |
| | Yuki Satoshi | 0
| |
| Kamimura Haruo | 0 |
| |
| Yuki Satoshi | 1
| |
|
League play
League play commenced on 7 October after the preliminaries, which finished on 2 September. Hane Naoki, who lost the Honinbo title to Yamashita Keigo the year prior, won the right to challenge Keigo for the title.[1]
References
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China | |
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Taiwan |
- Qiwang
- Tianyuan
- Wangzuo
- Guoshou
- Haifong Cup
- Qisheng
- Zhonghuan Cup
- Aixin Cup
- Donggang Cup
- Siyuan Cup
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Past editions |
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Past winners | |
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