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

3
524
1
4bw
+2 
= 1
- 1
?  

1Chen Chih-Chang - Chen Wei-Han
2Chen Wei-Han - Dzainukov Eldar
3Chen Wei-Han - Sugaya Masao
4Sung Pei-Jung - Chen Wei-Han