The diagram 1 is a variation of "Yonteme San-San Kaku senpou" .
1. P-7f P-3d
2. P-2f B-3c
3. Bx3c+ Nx3c
The move 4.G-7h prevents Gote's "Oni goroshi Mukai Bisha" ; 4...R-2b .
If Gote moves 4...R-2b Sente can get advantage by following moves .
5. B*6e N-4e
6. S-4h B*5e
In the diagram 2 , Sente have got advantages .
- Gote can not promote his Bishop
- It is difficult for Gote to protect his Knight at 4e
- Gote can not prevent Sente's Bishop promotion in both 8c and 4c
In the diagram 1 , Gote should move G-3b or R-4b .