Yonteme San-San Kaku , part 1

Shogi Opening Traps ; Yonteme San-San Kaku sepou . part 1.


The diagram 1 is a variation of "Yonteme San-San Kaku senpou" .

(diagram 1)

1. P-7f P-3d
2. P-2f B-3c
3. Bx3c+ Nx3c
4. G-7h
(diagram 1)










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 .

(diagram 2)

4...R-2b
5. B*6e N-4e
6. S-4h B*5e
7. S-8h
(diagram 2)



In the diagram 2 , Sente have got advantages .

1. Gote can not promote his Bishop
2. It is difficult for Gote to protect his Knight at 4e
3. Gote can not prevent Sente's Bishop promotion in both 8c and 4c
   

If Sente moves P-2e instead of 4.G-7h , Gote can get advantage by same moves .


In the diagram 1 , Gote should move G-3b or R-4b .