My teachers My main teacher (He invited me to Korea): Cheon Pungcho, 9p
My clubs and professionals-teachers:              1997: Hyunhyun Go School |      |      |      |    Im Seonkeun 9p  |    Kang Hun 9p  |    Yi Hongyeol 9p  |                                   2001: Yangchun Dail Baduk Tochan |      |      |     |    Kim Tongmyeon 9p  |   Kim Chagi 7p  |    Ryu Chaehyeong 9p |
2002-2003: Heo Changheui Baduk Tochan |      |      |     |   Heo Changheui 9p  |    Cho Taehyeon 9p  |  Cheong Taesang 9p  |      |      |     |   Kim Yeonghwan 9p  |    Yi Sanghun 9p  |    Seo Musang 8p  | |    Â
|