Apr 16, 2010

AI Yagura ; Sente Haya gakoi ; 3rd and 7th file Pawn exchange

Shogi Game record : The 59th NHK cup TV Shogi tournament


A shogi game of the NHK cup TV Shogi tournament between HABU and SENZAKI was broadcasted 17 January 2010 .


Sente : HABU Yoshiharu (Meijin , Osho , Kisei , Oza)
Gote : SENZAKI Manabu (8 dan)

(diagram 1)

1.P-7f P-8d
2.S-6h P-3d
3.P-6f S-6b
4.P-5f P-5d
5.S-4h S-4b
6.G4i-5h G-3b
7.G-6g K-4a
8.P-2f G-5b
9.S-7g P-9d
10.B-7i P-7d
11.P-3f S-3c
12.S-3g B-3a
13.K-6h P-7e
(diagram 1)


HABU selected Yagura as the opening of this game , and SENZAKI accepted it . The game naturally advanced for a while . HABU pushed the 2nd file Pawn with 8.P-2f and started making Yagura gakoi along Haya gakoi method .

SENZAKI pushed the 9th file Pawn with 9...P-9d , however this move became useless as a result . SENZAKI pushed the 7th file Pawn with 13...P-7e to make ideal attacking formation after the 7th file Pawn exchange .

(diagram 2)

14.Px7e Bx7e
15.K-7h P-4d
16.P-3e B-6d
17.P-6e B-4b
18.Px3d Sx3d
19.S-3f N-7c
20.P-2e Nx6e
21.S-7f P*7g
22.K-8h P*3e
23.Sx3e Sx3e
24.Bx3e S*7h
25.Gx7h Px7h+
26.Kx7h P*7g
27.Nx7g Nx7g+
28.Kx7g P-8e
29.N*7d R-8a
30.S*7b R-5a
31.Bx4d B-3c
32.Bx3c+ Nx3c
33.P*3d N*6d
34.P-2d Px2d
35.Px3c+ Gx3c
36.P*3d G-2c
37.N*4d
(diagram 2)

After the 7th file exchange , HABU also pushed the 3rd file Pawn with 16.P-3e to exchange the Pawns . SENZAKI backed his Bishop with 16...B-6d threatening the 2h-Rook . HABU pushed the 6th file Pawn with 17.P-6e forcing the 6d-Bishop to back with 17...B-4b .

HABU advanced his right Silver with 19. S-3f to make an attacking formation . SENZAKI jumped his right Knight with 19...N-7c and started attacking with 20...Nx6e . SENZAKI tried to continue attacking , however the attack became difficult to continue . And some moves later , HABU's attack almost completely broke .

(diagram 3)

37...G-4b
38.S*4c B*9e
39.K-6f Gx4c
40.B*3b K-4b
41.Bx2c+ K-5c
42.P-3c+ Gx4d
43.G*4c Gx4c
44.+Px4c Kx4c
45.Rx2d K-5b
46.+B-3d G*4c
47.+Bx4c Kx4c
48.G*4d K-3b
49.P*3c resigns
(diagram 3)


After 97 moves , HABU won over SENZAKI .

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