SATO's unique Mukai Bisha

Shogi Game record : The 3rd Asahi cup Shogi open


A shogi game of the Asahi cup Shogi open between SATO Yasumitsu and ITODANI started 10:00 A.M. (JST) , 19 January 2010 .


You can see the original game record on the Net .
http://live.shogi.or.jp/asahi/archives/3/kifu/20100119asahi_12.html?TB_iframe=true&width=600&height=570
(Flash version , written in Japanese language)


Sente : SATO Yasumitsu (9 dan)
Gote : ITODANI Tetsurou (5 dan)

(diagram 1)

1.P-7f P-3d
2.P-2f G-3b
3.P-2e Bx8h+
4.Sx8h S-2b
5.S-3h S-6b
6.S-7g S-3c
7.S-2g P-7d
8.R-8h P-8d
9.G-3h P-6d
10.P-5f K-4b
11.S-6f S-6c
12.K-4h P-1d
13.P-1f K-3a
14.P-3f G-5b
15.N-3g P-8e
16.N-7g G5b-4b
17.R-8i P-4d
18.G-6h P-9d
19.K-3i P-2d
20.Px2d Sx2d
21.K-2h N-3c
22.S-5e P-4e
23.S-4d S-5b
24.P*2f S-4c
25.Sx4c+ G4bx4c
26.B*6c P-7e
(diagram 1)

ITODANI selected Ittezon Kakugawari as the opening of this game . SATO quickly advanced his right Silver onto 2g and he seemed to select Bougin . However , SATO ranged his Rook with 8.R-8h ; the Mukai Bisha position .

SATO made a variation of Kata Ginkanmuri and ITODANI made Hekomi Yagura . ITODANI pushed the 2nd file Pawn with 19...P-2d and exchanged the Pawns in this file .

SATO advanced his left Silver and exchanged it with ITODANI's one . After the Silver exchange SATO dropped a Bishop with 26.B*6c and ITODANI pushed the 7th file Pawn with 26...P-7e aiming at the 7g-Knight's head .

(diagram 2)

27.Nx8e P-3e
28.Px3e P-4f
29.G-5h Sx3e
30.P*3f Px4g+
31.G5hx4g P*4f
32.G4g-4h S-2d
33.B-7d+ P*3e
34.P*4d Gx4d
35.+Bx6d R-8c
36.S*7d R-8d
37.+Bx5c S*4b
38.+Bx7e Px3f
39.Sx3f P*3e
40.S-2g R-8b
41.P*3d Gx3d
42.+B-6d R-9b
43.P*4c Gx4c
44.S-6c= P*2e
45.S-5d+ P*5c
46.+Sx4c Sx4c
47.+Bx5c S*4b
48.+B-6c Px2f
49.Sx2f B*3f
50.+B-7d R-7b
51.P-7e P*2g
(diagram 2)

SATO captured the 8e-Pawn with 27.Nx8e escaping from an attack in the 7th file . ITODANI exchanged the 3rd file Pawn and put a Pawn on 4f for an attacking base .

ITODANI attacked around SATO's Kakoi and SATO attacked ITODANI's Rook for a while . SATO also started attacking ITODANI's King . After some moves , ITODANI dropped a Pawn with 51...P*2g to attack SATO's King directly .

(diagram 3)

52.K-3i S-1c
53.G*5g P*7g
54.Gx4f P-7h+
55.Gx3f +Px8i
56.Sx3e Rx7d
57.Px7d R*5i
58.P*4i Rx5f+
59.B*6c Gx3e
60.Gx3e S-3b
61.Bx2g+ S*4f
62.R*7a P*5a
63.G*4g Sx4g+
64.G4hx4g P*2f
65.+Bx8a +Rx4g
66.Gx4g B*5c
67.N*4d Bx7a
68.Nx3b+ Kx3b
69.+Bx7a G*2b
70.B*6e N*4c
71.G-3d R*5h
72.Gx4c Sx4c
73.Bx4c+ Kx4c
74.R*4d K-3b
75.S*4c K-2a
76.S*3b Gx3b
77.Sx3b= Kx3b
78.S*2c Kx2c
79.N*3e resigns
(diagram 3)

After 157 moves , SATO won the game .