Gote Ittezon Kakugawari ; Sente Bougin vs Gote Koshikakegin + Hekomi Yagura (Asahi cup)

Shogi game record : The 4th Asahi cup Shogi Open ; 2nd pre-round


A shogi game of the Asahi cup Shogi open 2nd pre-round between MATSUO Ayumu and MARUYAMA Tadahisa started 2:00 P.M. (JST) , 1 November 2010 .


You can see the original game record on the Net .
http://live.shogi.or.jp/asahi/archives/4/kifu/20101101asahi_13.html?TB_iframe=true&width=600&height=570
(Flash version , written in Japanese language)


Sente : MATSUO Ayumu (7 dan)
Gote : MARUYAMA Tadahisa (9 dan)

(diagram 1)

1.P-2f P-3d
2.P-7f Bx8h+
3.Sx8h S-2b
4.S-4h S-7b
5.P-1f P-1d
6.P-3f P-6d
7.S-3g S-6c
8.P-2e S-5d
9.K-6h S-3c
10.S-7g P-4d
11.G4i-5h P-6e
12.S-2f B*6d
13.B*4f Bx4f
14.Px4f B*6d
15.R-4h P-7d
16.P-3e Px3e
17.Sx3e P*3d
18.S-2f N-7c
19.S-3g G6a-5b
20.G-7h K-4b
21.S-3f R-6b
22.B*3g K-3a
23.K-7i K-2b
24.P-5f G-3b
25.K-8h P-8d
26.R-4i P-9d
27.P-9f L-9c
28.S-8f G5b-4b
29.S-4g P-4e
30.G5h-6h N-8e
(diagram 1)

By 2...Bx8h+ , MARUYAMA exchanged the Bishops , and advanced his right Silver with 8...S-5d making Koshikakegin form . MATSUO advanced his right Silver with 12.S-2f making Bougin attacking form .

Replying MATSUO's Bougin , MARUYAMA dropped a Bishop with 12...B*6d to disturb MATSUO's attack . MATSUO also dropped a Bishop with 13.B*4f to defend . After exchanging the Bishops , MARUYAMA dropped a Bishop again with 14...B*6d .

MATSUO ranged his Rook with 15.R-4h to defend the 4f-Pawn and exchanged the 3rd file Pawns . After some moves , MARUYAMA completed making Hekomi Ygura and started attacking with 30...N-8e .

(diagram 2)

31.L-1h P-9e
32.Px9e P-7e
33.Sx7e Bx7e
34.Px7e P-6f
35.B*7c Px6g+
36.Bx6b+ +Px6h
37.Gx6h S*7f
38.R-7i Px4f
39.Bx4f P*6g
40.G-6i S5d-6e
41.P-2d Px2d
42.P*4c G4bx4c
43.P*2c K-1b
44.P*6f P*7h
45.Rx7h P*7g
46.R-2h Sx6f
47.+B-5a G*7h
48.resigns
(diagram 2)

After 94 moves , MARUYAMA won the game .