Games played by Yoichi Tamada (Mito, Japan) in this fuseki

42
51
3
4bw
+21
= 1
-  
?  

1Kamiya Shunsuke - Tamada Yoichi
2Oosumi Yuuki - Tamada Yoichi
3Tamada Yoichi - Ishitani Shin-ichi
4Tamada Yoichi - Kamiya Shunsuke