github_profile : https://github.com/Profrog/Profrog
openchat : https://open.kakao.com/o/gxLp60de
club : https://www.chess.com/club/ceseuceseu/join
let's play chess with me
github_profile : https://github.com/Profrog/Profrog
openchat : https://open.kakao.com/o/gxLp60de
club : https://www.chess.com/club/ceseuceseu/join
let's play chess with me