Jul 23, 2009

Shogi News : MATSUO won over TOYOSHIMA . (Ryuo sen)

Shogi News : The 22nd Ryuo sen : challenger deciding tournament

The evening of 23 July 2009 , after 113 moves , MATSUO won the Ryuo sen tournament game with TOYOSHIMA . MATSUO will have next game of this tournament with KUBO at Kansai Shogi Kaikan , Osaka .

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

Sente : MATSUO Ayumu (7 dan)
Gote : TOYOSHIMA Masayuki (5 dan)

(diagram 1)

1.P-7f P-8d
2.P-2f 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-4f P-6d
9.S-4g S-6c
10.K-6h S-5d
11.G-5h G-5b
12.P-3f P-7d
13.P-9f P-9d
14.S-5f P-4d
15.P-1f P-1d
16.P-6f K-4a
17.K-7i K-3a
18.N-3g N-7c
19.P-2e S-3c
20.P-4e Px4e
21.P-2d Px2d
22.P-1e Px1e
23.P-7e Px7e
24.P-3e S-4d
25.Rx2d P*2c
26.R-2i G-6c
(diagram 1)

MATSUO selected Kakukawari as the opening of this game , TOYOSHIMA accepted it . The game advanced to Kakukawari Koshikakegin Doukei line , the same line as the game between HABU and KATAGAMI (21 July 2009) . MATSUO also started attacking with 20.P-4e , but different from HABU , MATSUO attacked with 3 Pawn sacrifice line ; 20.P-4e , 22.P-1e , 23.P-7e . And after the 2nd file Pawn exchange , MATSUO backed his Rook to 2i . (In HABU's game , he attacked without P-1e & P-7e and backed his Rook to 2h .)

TOYOSHIMA moved up his right Gold with 26...G-6c to avoid the opponent's P*7d .

(diagram 2)

27.P*1b Lx1b
28.Px3d B*3h
29.R-3i B-2g+
30.B*1a +B-2h
31.R-4i +B-3h
32.R-6i G-4c
33.P*2b Gx3d
34.Px2a+ Kx2a
35.Bx4d+ Gx4d
36.Sx4e Gx4e
37.Nx4e Sx4e
38.P*4d B*2e
39.R-6h S*2b
40.G*3e P-7f
41.Gx2e Px7g+
42.Nx7g S-5d
(diagram 2)

This attacking line MATSUO selected is the most roughly attacking line . MATSUO continued attacking with dropping his last Pawn in hand with 27.P*1b . TOYOSHIMA dropped a Bishop with 28...B*3h to disturb Sente's attacking .

MATSUO escaped his Rook with 32.R-6i , and sacrificing a Bishop with 35.Bx4d+ , he continued attacking . After some moves , TOYOSHIMA's camp was completely broken and MATSUO seemed to have a slight advantage .

(diagram 3)

43.N*3d S*3c
44.Nx2b+ Sx2b
45.P*3c P*3a
46.Lx1e Lx1e
47.P*2d N*7f
48.B*3d Nx6h+
49.G5hx6h R*2i
50.S*6i Rx2e+
51.Bx2e P-8f
52.P-4c+ Px8g+
53.S*3b K-1b
54.Px2c+ Sx2c
55.N*2d K-1c
56.Sx2c+ Kx2c
57.S*1d resigns
(diagram 3)

After 113 moves MATSUO won the game .

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