Games played by Masayuki Hata (Hirakata, Japan) in this fuseki

42
51
3
4bw
+3 
=  
-1 
?  

1Hata Masayuki - Mano Yoshihisa
2Hata Masayuki - Sakamoto Hirouji
3Hata Masayuki - Ishitani Shin-ichi
4Hata Masayuki - Ishitani Shin-ichi