Why you shold move such a way ?

2008年10月22日水曜日

Gokigen Nakabisha . part 1.

Shogi Opening Traps ; Gokigen Nakabisha . part 1.


(diagram 1)

1. P-7f P-3d
2. K-6h
(diagram 1)






Sente's second move K-6h disturbes Gote's "Gokigen Nakabisha " . If Gote still tries to select "Gokigen Nakabisha" with P-5d , the following moves will give Sente an advantage .



(diagram 2)

2...P-5d?
3. Bx2b+! Rx2b
4. B*5c S-4b
5. B-8f+
(diagram 2)


In the diagram 2 , Sente has made a promoted Bishop . The difference between Sente's "promoted Bishop" and Gote's Bishop in hand gives Sente an advantage .




If Gote selects 3...Sx2b instead of 3...Rx2b , Sente will also get advantage in moves like following .

(1)
2...P-5d?
3. Bx2b+! Sx2b
4. B*5c R-5b
5. B-8f+

or

(2)
2...P-5d?
3. Bx2b+! Sx2b
4. B*5c B*4d
5. Bx4d+ Px4d
6. B*4c

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