Games played by Dong Cao (Beijing, China) in this fuseki

3
42
51
5bw
+ 1
=11
- 2
?  

1Lan Zhiren - Cao Dong
2Qi Guan - Cao Dong
3Lan Zhiren - Cao Dong
4Cao Dong - Chen Jing
5Ai Xianping - Cao Dong