Korean Professional player born in 1997-01-14. 1 dan from 2012-01-15, he was promoted 2 dan in 2012-07-12 (view promotion list on the Italian blog Korea Baduk) and 3 dan in 2014-02-14. At the end of July, was ranked n.22 in Korean ranking.
Byun ended 2012 with a record of 52 wins, 22 losses and was ranked n.17 in Korean Ranking. In the World Ranking at the end of 2012, Byun is n. 48.
In November 2021, Byun is #5 in the world and #3 in Korea on Go Ratings.