Games played by Ko-Han Chen (Taipei, Chinese Taipei) in this fuseki

42
51
3
4bw
+ 2
=  
-2 
?  

1Chen Kuo-Hui - Chen Ko-Han
2Chen Ko-Han - Lin Shih-Pin
3Chen Ko-Han - Chou Huang Yu-Chien
4Huang Yen-Hua - Chen Ko-Han