Choi Cheol-han () 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). 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.

Promotion record

Career Record 2006: 58 wins, 29 losses 2007: 45 wins, 25 losses 2008: 50 wins, 18 losses 2009: 56 wins, 18 losses 2010: 63 wins, 22 losses 2011: 50 wins, 24 losses

Titles and Runners-up

Ranks tenth in total number of titles in Korea.

DomesticTitle 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 15ContinentalTitle Wins Runners-up China-Korea Tengen 3 (2004-2005, 2011) Total 0 3InternationalTitle Wins Runners-up Fujitsu Cup 1 (2005) Zhonghuan Cup 1 (2005) Ing Cup 1 (2009) 1 (2005) Total 2 2Career Total Total 16 20

Korean Baduk League Season Team Place Record2007 Team World Meridian (Captain) 6th place 6–72008 Team No. 1 Fire Insurance 4th place 12–42009 Team Hite Jinro (Captain) 6th place 9–32010 Team Hite Jinro (Captain) 4th place 10–72011 Team Hite Jinro (Captain) Runners-up 13–4

Chinese A League Season Team Place Record2009 Team Sian (Captain) 7th place 9–32010 Team Sian (Captain) 2nd place 7–22011 Team Sian (Captain) TBD 10–5

Head-to-head record vs selected players

Players who have won international go titles in bold.

Lee Changho 31:30 Lee Sedol 20:32 Park Yeonghun 19:22 Won Seongjin 18:11 Mok Jinseok 18:8 Kang Dongyun 12:11 Kim Jiseok 11:12 Chen Yaoye 9:11 Cho Hanseung 9:11 Gu Li 8:12 Park Junghwan 6:12 An Choyoung 11:5 Cho Hunhyun 12:2 Heo Youngho 10:4 Lee Younggu 9:5 Chang Hao 6:7 Shi Yue 6:7 Yoo Changhyuk 8:4 Kong Jie 7:5 Mi Yuting 5:7 Hong Seongji 8:3 Yun Junsang 8:3 Zhou Ruiyang 8:3 Peng Quan 7:4

References