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

3
24
15
4bw
+ 2
= 1
-1 
?  

1Park Jong hyun - Kim Seong-hyeon
2Kim Seong-hyeon - Park Sang-Hyeon
3Park Sang-Hyeon - Kim Seong-hyeon
4Kang Gwiyong - Kim Seong-hyeon