Games played by Zhiren Lan (Sichuan, China) in this fuseki

3
42
51
4bw
+3 
=  
-1 
?  

1Lan Zhiren - Cao Dong
2Lan Zhiren - Topkin Georg-Romet
3Lan Zhiren - Cao Dong
4Lan Zhiren - Ni Zhongxing