55th Guksu
{{Short description|Go tournament}}
The 55th Guksu has been won by Cho Hanseung, who defeated the defending champion Choi Cheol-han 3:2.{{cite web | url=http://igokisen.web.fc2.com/kr/ks.html | title=55th Kuksu(National champion) | publisher=igokisen.web.fc2.com }}
Title Match
| class="wikitable" style="text-align: center;"
!Status | Name | 1st round | 2nd round | 3rd round | 4th round | 5th round | Final Result |
| 17 October | 25 October | 8 November | 14 November | 16 November | |||
| Title Holder | Choi Cheol-han | - | B+R | - | B+R | - | 2 |
| Challenger | Cho Hanseung | B+R | - | B+R | - | B+1.5 | 3 |
Challenger Tournament
{{updated|10 January 2012.}}
{{Round16
|20 June|Lee Sedol|W+R|Kim Jiseok|B
|21 June|Yun Junsang|W|Cho Hanseung|B+R
|23 June|Kang Dongyun|W+R|Baek Hongsuk|B
|20 June|Lee Jihyun|B|Kang Yootaek|W+R
|21 June|Park Junghwan|W+R|Kim Dongho|B
|30 June|Lee Changho|B+R|Hong Sungji|W
|7 May|Heo Yeongho|W+R|Hong Kipyo|B
|23 June|Ko Geuntae|B|Won Sungjin|W+R
|27 July|Lee Sedol|W|Cho Hanseung|B+R
|26 July|Kang Dongyun|W+R|Kang Yootaek'''|B
|26 July|Park Junghwan|W+R|Lee Changho|B
|27 July|Heo Yeongho|W|Won Sungjin|B+R
|9 August|Cho Hanseung|B+R|Kang Dongyun|W
|19 August|Park Junghwan|B|Won Sungjin|W+0.5
|6,19 September|Cho Hanseung|2|Won Sungjin|0
|||||
|3rdplace=no}}
References
{{reflist}}
{{2011 in go}}
{{DEFAULTSORT:Guksu (55)}}