Games played by Seong-hyeon Kim (Unknown, Korea) in this fuseki

3
24
15
6bw
+ 2
=  
-31
?  

1Kim Seong-hyeon - Kim Su Chan
2Lee Joon soo - Kim Seong-hyeon
3Kim Seong-hyeon - Choi Seok-won
4Kim Seong-hyeon - Jang Won-cheol
5Park Jae Ik - Kim Seong-hyeon
6Kuvaev Vyacheslav - Kim Seong-hyeon