Weiqi, Igo, or Baduk (in Chinese, Japanese, and Korean, respectively), is first mentioned in the historical annal Zuo Zhuan (c. 4th century BC). It is also...
Junghwan | Search by Player | Go4Go". "朴廷桓 统计数据". 弘通围棋网. Retrieved 1 November 2018. GoGameWorld.com profile Korea Baduk Association profile (in Korean)...