Games played since 2015 year by Hideaki Gakumazawa (Iwate, Japan) in this fuseki

5
42
1
3
3bw
+1 
= 1
-1 
?  

1Gakumazawa Hideaki - Okabe Hiroshi
2Kusajima Masato - Gakumazawa Hideaki
3Gakumazawa Hideaki - Koseki Kenshou