Sente Gokigen Nakabisha vs Gote a minor variaiton of MARUYAMA's vaccin

Shogi Game record : The 3rd Asahi cup Shogi open ; 2nd pre-round

A shogi game of the Asahi cup Shogi open 2nd pre-round between MATSUO and YASHIKI started 2:00 P.M. , 8 November 2009 .

You can see the original game record on the Net .
http://live.shogi.or.jp/asahi/archives/3/kifu/20091108asahi_13.html?TB_iframe=true&width=600&height=570
(Flash version , written in Japanese language)


Sente : MATSUO Ayumu (7 dan)
Gote : YASHIKI Nobuyuki (9 dan)

(diagram 1)

1.P-7f P-3d
2.P-1f P-8d
3.P-5f P-8e
4.R-5h Bx8h+
5.Sx8h G-3b
6.K-4h S-4b
7.K-3h P-4d
8.S-7g S-4c
9.K-2h S-6b
10.S-4h K-4b
11.R-8h P-7d
12.S-6f P-6d
13.P-7e S-6c
14.Px7d Sx7d
15.R-7h P*7c
16.R-8h G-7b
17.G-3h S-6c
18.P-4f P-7d
19.P-3f N-7c
20.N-7g R-8a
21.S-4g N-3c
22.R-8i P-1d
23.G-7h L-1b
24.P-9f R-1a
25.B*2f P-2d
26.P-8f P-2e
27.B-3g Px8f
28.Rx8f P*8c
29.G-6h G-2c
30.G-5h G-2d
(diagram 1)

MATSUO selected Gokigen Nakabisha as the opening of this game . YASHIKI exchanged the Bishops with 4...Bx8h+ and moved up the left Gold with 5...G-3b ; a minor variation of MARUYAMA's vaccin .

YASHIKI made a frame of KIMURA mino gakoi and MATSUO moved up his right Silver with 10.S-4h to make Kin mino gakoi . But before completed Kin mino gakoi , MATSUO slid his Rook with 11.R-8h threatening the attack in the 8th file .

MATSUO exchanged the 7th file Pawns and slid the Rook with 15.R-7h forcing YASHIKI to drop a Pawn with 15...P*7c protecting the 7d-Silver . MATSUO made Kin mino gakoi with 17.G-3h and developed it to KIMURA Mino .

YASHIKI backed his Rook with 20...R-8a and swung it with 24...R-1a aiming at the 1st file . MATSUO dropped a Bishop to defend the 1st file and YASHIKI advanced the 2nd file Pawn with 26...P-2e attacking the 2f-Bishop . After MATSUO's 8th file Pawn exchange , YASHIKI advanced his left Gold with 30...G-2d to join the attack in the 1st file .

(diagram 2)

31.N-8e Nx8e
32.Rx8e P-5d
33.S-5g P-1e
34.Px1e Lx1e
35.P*1g G-7c
36.K-3i P-8d
37.R-8i P-2f
38.Bx2f G-2e
39.B-5i N*2d
40.N*2h P-3e
41.P-1f Nx1f
42.Nx1f P*1g
43.Lx1g P*1h
44.P*1b R-2a
45.Px3e P-1i+
46.N-3g Gx3e
47.P*3f G-3d
48.N*2f G-2d
49.K-4h +P-1h
50.B-9e +Px1g
51.Nx2d B*1f
52.N-3d Bx3d
53.P-4e +Px2g
54.Gx2g Rx2d
55.P*2e R-1d
56.P-3e Bx4e
57.Nx4e Nx4e
58.S5g-4f L-1g+
59.G-2f +L-1f
60.Sx4e +Lx2f
61.N*3d
(diagram 2)

MATSUO exchanged the Knights in the 8th file aiming to drop it with N*5e . pushed the 5th file Pawn with 32...P-5d to prevent this Knight drop . YASHIKI MATSUO backed his 6f-Silver with 33.S-5g , and YASHIKI started attacking the 1st file with 33...P-1e .

After the 1st file Pawn exchange , MATSUO dropped a Pawn with 35.P*1g to decline the Lance exchange . YASHIKI moved up the right Gold with 35...G-7c and pushed the 8th file Pawn with 36...P-8d driving away the 8e-Rook . MATSUO backed the King with 36.K-3i to escape from YASHIKI's attack . YASHIKI sacrificed the 2nd file Pawn with 37...P-2f and continued attacking .

After some moves attack , YASHIKI sacrificed a Bishop and broke the right side of MATSUO's camp . But MATSUO also attacked YASHIKI's King with 61.N*3d .

(diagram 3)

61...K-5c
62.G*6a R-1h+
63.K-5i G*5b
64.B*3a L*4b
65.Nx4b+ Gx4b
66.S-3d Sx3d
67.Px3d P*3b
68.S*5a S*4a
69.L*3h N*3g
70.Lx3g +Lx3g
71.Sx4b= Sx4b
72.N*3e N*5a
73.Bx4b+ Kx4b
74.P*4c Nx4c
75.S*5a K-5c
76.S-6b= K-4b
77.resigns
(diagram 3)

After 152 moves , YASHIKI won the game .