Choi Cheol-han (Korean: 최철한) is a South Korean professional Go player. He is the fourth youngest (12 years 2 months) to become a professional Go player in South Korean history behind Cho Hun-hyun (9 years 7 months), Lee Chang-ho (11 years 1 months) and Cho Hye-yeon (11 years 10 months).[1] His nickname is "The Viper".
Biography
Choi became a professional when he was 12 years old. He began playing Go at the age of seven, studying with Lee Sedol in Kweon Kab-yong's academy in Seoul. At that time, Choi was considered the next Lee Sedol.[2]
Career Record
- 2006: 58 wins, 29 losses[3]
- 2007: 45 wins, 25 losses[4]
- 2008: 50 wins, 18 losses[5]
- 2009: 56 wins, 18 losses[6]
- 2010: 63 wins, 22 losses[7]
- 2011: 50 wins, 24 losses[8]
Titles and Runners-up
- As of 17 December 2017
Ranks tenth in total number of titles in Korea.
| Domestic | 
| Title | Wins | Runners-up | 
| KT Cup |  | 1 (2002) | 
| Chunwon | 4 (2003-2004, 2010-2011) | 2 (2012-2013) | 
| Kisung | 1 (2004) | 2 (2005, 2007) | 
| Guksu | 3 (2004-2005, 2011) | 3 (2006, 2011-2012) | 
| King of Kings |  | 1 (2005) | 
| GS Caltex Cup | 1 (2005) | 3 (2006, 2014-2015) | 
| KBS Cup |  | 1 (2006) | 
| Maxim Cup | 3 (2009-2010, 2015) | 2 (2006, 2012) | 
| Siptan | 1 (2012) |  | 
| Myungin | 1 (2013) |  | 
| Total | 14 | 15 | 
| Continental | 
| Title | Wins | Runners-up | 
| China-Korea Tengen |  | 3 (2004-2005, 2011) | 
| Total | 0 | 3 | 
| International | 
| Title | Wins | Runners-up | 
| Fujitsu Cup |  | 1 (2005) | 
| Zhonghuan Cup | 1 (2005) |  | 
| Ing Cup | 1 (2009) | 1 (2005) | 
| Total | 2 | 2 | 
| Career Total | 
| Total | 16 | 20 | 
Korean Baduk League
Chinese A League
| Season | Team | Place | Record | 
| 2009 | Team Sian (Captain) | 7th place | 9–3[14] | 
| 2010 | Team Sian (Captain) | 2nd place | 7–2[15] | 
| 2011 | Team Sian (Captain) | TBD | 10–5[16] | 
Head-to-head record vs selected players
- As of 10 June 2018  [17]
 
Players who have won international go titles in bold.
References
|  | 
|---|
| Mixed pair |  | 
|---|
| Men's team |  | 
|---|
| Women's team |  | 
|---|
|  | 
|---|
| Past editions | 
199619971998199920002001200220032004200520062007200820092010201120122013201420152016
 | 
|---|
| Past winners |  | 
|---|
|  | 
|---|
| Past editions | 
200520062007200820092010201120122013201420152016
 | 
|---|
| Past winners |  | 
|---|
|  | 
|---|
| Past editions | 
1956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016
 | 
|---|
| Past winners |  | 
|---|
|  | 
|---|
| 9 dan |  | 
|---|
| 8 dan |  | 
|---|
| 6 dan |  | 
|---|
| 5 dan |  | 
|---|
| 4 dan |  | 
|---|
| 3 dan |  | 
|---|
| 2 dan |  | 
|---|
| 1 dan |  | 
|---|
| Authority control databases  | 
|---|
| International |  | 
|---|
| National |  | 
|---|