Oct 11, 2009

Shogi Game record : Aigakari Koshikakegin ; Sente Ginkanmuri , Gote Gangi . (Asahi cup)

Shogi Game record : The 3rd Asahi cup Shogi open : 1st preround

A Shogi game of Asahi cup Shogi open 1st preround between SHIMIZU and NAKAO started 10:00 A.M. , 21 July 2009

You can see the original game record on the Net .
(Flash version , written in Japanese language)

Sente : SHIMIZU Ichiyo (Jo-ryu Meijin , Jo-ryu Osho)
Gote : NAKAO Toshiyuki (5 dan)

(diagram 1)

1.P-2f P-8d
2.P-2e P-8e
3.G-7h G-3b
4.P-2d Px2d
5.Rx2d P*2c
6.R-2f S-7b
7.P-1f P-1d
8.S-3h P-6d
9.P-7f P-8f
10.Px8f Rx8f
11.P*8g R-8b
12.P-4f P-3d
13.S-4g S-6c
14.K-6h S-5d
15.G-5h P-4d
16.S-5f S-4b
17.B-7g G-5b
18.S-8h P-7d
19.P-8f P-7e
(diagram 1)

SHIMIZU selected Aigakarai , her favorite opening in this game , and NAKAO accepted it . After second file Pawn exchange , SHIMIZU backed her Rook to 2f , Ukibisha position .

After both players pushed the 1st file Pawn and moved up the right Silver straight , NAKAO pushed the 6th file Pawn to make Koshikakegin shape . Replying the 8...P-6d , SHIMIZU pushed the 7th file Pawn to open her Bishop line . The 7f-Pawn blocked the 2f-Rook's side power and NAKAO exchanged the 8th file Pawn .

Instead of 11.P*8g , SHIMIZU could select TSUKADA special with 11.P*2d . In this line , the game will advance like following moves ; 11.P*2d Px2d , 12.Rx2d , and aiming at the 6d-Pawn . If Gote protects the Pawn with 12...S-6c , the following moves will give Sente an advantage ; 12...S-6c , 13.P-1e Px1e , 14.P*1d P*2c , 15.R-2e . Gote should back his Rook 12...R-8b , and Gote can get advantage by following moves ; 12...R-8b , 13.Rx6d P-3d! .

After 11.P*8g , both player was making Koshikakegin form . But during the moves , NAKAO closed his Bishop line with 15...P-4d to make the game quiet . SHIMIZU started developing her camp to Ginkanmuri with 18.S-8h . Before completed Ginkanmuri , NAKAO attacked SHIMIZU's camp with 19...P-7e .

(diagram 2)

20.S-8g Px7f
21.Sx7f K-4a
22.P-3f S4b-4c
23.N-3g K-3a
24.K-7i G-6c
25.P-6f P*7e
26.S-8g N-7c
27.G5h-6g G-7d
28.P-9f P-9d
29.R-2i R-8a
(diagram 2)

SHIMIZU moved up her left Silver with 20.S-8g , completing Ginkanmuri and protecting the Bishop head . After the 7th file Pawn exchange , NAKAO's King entered Kani gakoi .

SHIMIZU was preparing an attack with 22.P-3f & 23.N-3g . Replying SHIMIZU's moves , NAKAO developed his Kakoi with 22...S4b-4c & 23...K-3a . NAKAO advanced his right Gold to join attacking and SHIMIZU developed her Kakoi .

After backed the Rook with 29.R-2i , SHIMIZU started attacking with 30.P-1e .

(diagram 3)

31.P*1c Lx1c
32.N-2e L-1d
33.P*1c Nx1c
34.Nx1c+ Bx1c
35.N*2f Bx4f
36.Nx1d P*8e
37.Px8e P*8f
38.Sx8f P*8h
39.Kx8h N*7f
40.K-8g Nx8e
41.B-5i P*8h
42.Bx1e Px8i+
(diagram 3)

NAKAO naturally captured the 1e-Pawn with 30...Px1e . Sacrificing dropped Pawn with 31.P*1c & 33.P*1c , SHIMIZU attacked NAKAO's camp . But during the moves , NAKAO got some Pawns , and he attacked SHIMIZU's camp using these Pawns in the 8th file .

After sacrificing 3 Pawns , NAKAO dropped a Knight next and continued attacking . SHIMIZU's Bishop escaped and she used it for attack with 42.Bx1e .

(diagram 4)

44.Gx8h Nx8h+
45.Kx8h P-2d
46.Bx2d Bx2d
47.Rx2d K-4b
48.Lx3b+ Sx3b
49.R-2b+ G*2a
50.P*4c K-5b
51.P*8b N*7f
52.K-7i L*7g
53.K-6i Gx2b
54.Px8a+ R*3i
55.G*5i B*7h
56.K-5h R-3h+
57.N*4h Bx6g+
58.Sx6g G*6h
59.Gx6h Nx6h+
60.Kx6h +Rx4h
61.N*5h G*7h
62.Sx7h Lx7h+
63.Kx7h +Rx5h
64.L*6h S*7g
65.K-8i N*9g
66.Lx9g Nx9g=
67.Sx9g L*8g
(diagram 4)

After 134 moves , NAKAO won the game .

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