Games played by Weixiang Xie (Yangzhou, China) in this fuseki

3
24
15
4bw
+2 
=1 
- 1
?  

1Xie Weixiang - Xie Zengzhong
2Tan Xinlin - Xie Weixiang
3Xie Weixiang - Jiang Qiwen
4Xie Weixiang - Zhang Jiguo