Career

Kweon turned professional in 1975 and was promoted to 8 dan in 2010. He started a Go school in of Korea in 1989 that is often compared to Kitani Minoru"s school. As of 2003, his school had produced over 100 total dans.

Choi Cheol-han 9 dan – ranks 10th for most titles in Korean go history.

Park Junghwan 9 dan – youngest Korean 9 daughter Lee Younggu 8 dan – runner-up of the Prices Information Cup in 2007.

Achievements

• Lee Sedol 9 dan – winner of 18 international titles. Won Seong-jin 9 dan – winner of the GS Caltex Cup in 2010. Chen Shiyuan 9 dan – top Taiwanese player and winner of the 4th Japan-Taiwan Jingying. Yun Junsang 8 dan – won the national champion, Guksu, in 2006. Kim Jiseok 7 dan – won most games (71) and the Prices Information Cup in 2009.