Kakugawari Koshikakegin ; unorthodox line (Asahi cup)

Shogi Game record : The 4th Asahi cup Shogi open ; 2nd pre-round


The shogi game of the Asahi cup Shogi open 2nd pre-round between KATAGAMI Daisuke and MIURA Hiroyuki started 10:00 A.M. (JST) , 5 November 2010


You can see the original game record on the Net .
http://live.shogi.or.jp/asahi/archives/4/kifu/20101105asahi_13.html?TB_iframe=true&width=600&height=570
(Flash version , written in Japanese language)


Sente : KATAGAMI Daisuke (6 dan)
Gote : MIURA Hiroyuki (8 dan)

(diagram 1)

1.P-2f P-8d
2.P-7f G-3b
3.G-7h P-8e
4.B-7g P-3d
5.S-8h Bx7g+
6.Sx7g S-4b
7.S-3h S-7b
8.P-9f P-9d
9.P-4f P-6d
10.S-4g K-4a
11.K-6h K-3a
12.G-5h S-6c
13.P-1f P-1d
14.S-5f S-5d
15.P-6f G-5b
16.K-7i P-4d
17.P-3f P-7d
18.N-3g G5b-4c
19.K-8h N-7c
20.P-2e P-6e
(diagram 1)

KATAGAMI selected Kakugawari as the opening of this game and MIURA accepted it . The game advanced along a typical line of Kakugawari Koshikakegin doukei line for a while .

However , MIURA moved up his right Gold with 18...G5b-4c and the line became different one . After some moves , MIURA started attacking with 20...P-6e .

(diagram 2)

21.Px6e P-7e
22.S-6f P-9e
23.Px9e P-3e
24.P-2d Px2d
25.P-4e P-8f
26.Px8f P*9h
27.Lx9h Px3f
28.Px4d G4c-3c
29.N-4e Sx4e
30.Sx4e N*7d
31.Sx7e B*5e
32.B*7g Bx2h+
33.Sx7d +B-4f
34.Sx7c+ +Bx4e
35.+Sx8b R*2h
36.S*6i P*6f
37.P*2c G3cx2c
38.P-4c+ Sx4c
39.Bx6f P*4d
40.P*4f +Bx4f
41.R*8a K-2b
42.Rx9a+ P-3g+
43.L*4i S*4g
44.K-8g Sx5h=
45.Lx4f Sx6i=
46.G-7g R-6h+
47.B-9c+ P*8h
48.K-9f Px8i+
49.K-8e +Rx7g
50.N*3e +Rx8f
51.Kx8f G*7d
52.+Rx2a Kx2a
53.R*7a N*6a
54.Rx7d+ G*7c
55.+Rx7c Nx7c
56.K-7e R*8h
57.B*7d S-5d
58.K-6d S*6b
59.N*7e S-5e
60.resigns
(diagram 2)

After 118 moves , MIURA won the game .