Dec 7, 2009

Yokofutori ; NAKAHARA ryu . Sente Nakazumai Gyoku

Shogi Game record : JT Shogi Nihon series 2009

A shogi game of the JT Shogi Nihon series between TANIGAWA and MARUYAMA started 12 September 2009 at Fukuoka Kokusai Kaigi joh , Fukuoka city , Fukuoka

You can see the original game record on the Net .
http://www.jti.co.jp/knowledge/shogi/professional/2009/2-3kyoku/index.html
(Flash and text version , written in Japanese language)


Sente : TANIGAWA Kouji (9 dan)
Gote : MARUYAMA Tadahisa (9 dan)

(diagram 1)

1.P-7f P-3d
2.P-2f P-8d
3.P-2e P-8e
4.G-7h G-3b
5.P-2d Px2d
6.Rx2d P-8f
7.Px8f Rx8f
8.Rx3d B-3c
9.R-3f S-2b
10.P*8g R-8d
11.R-2f K-4a
12.K-5h S-6b
13.G-3h P-5d
14.S-4h P-5e
15.S-6h P-7d
16.P-6f N-7c
17.S-6g B-4d
18.R-2h N-3c
19.P-3f B-5c
20.P-4f P-7e
(diagram 1)

MARUYAMA selected Yokofutori as the opening of this game . TANIGAWA naturally replied and dropped a Pawn with 10.P*8g . MARUYAMA backed his Rook with 10...R-8d and selected Yokofutori NAKAHARA ryu line with 11...K-4a.

TANIGAWA moved up his King with 12.K-5h the position of Nakazumai , and MARUYAMA advanced the 5th file Pawn aiming at the King . TANIGAWA pushed the 6th file Pawn and moved up the left Silver with 17.S-6g to protect the 5th file .

MARUYAMA made his right Knight useful for attack with 16...N-7c without completing NAKAHARA Gakoi . MARUYAMA moved up his Bishop with 17...B-4d attacking the 2f-Rook , backed the Bishop with 19...B-5c and started attacking with 20...P-7e .

(diagram 2)

21.Px7e Bx7e
22.P-3e B-5c
23.G-3g P*3d
24.P-6e Px3e
25.Bx5e P*2d
26.P-6d P*5d
27.B-6f R-7d
28.P*3d N-2e
29.P*2c Gx2c
30.G-4g P*7g
31.Bx7g N-8e
32.B-8f P*8h
33.P*7e Rx6d
34.Gx8h P-3f
35.Gx3f Gx3d
36.P*6e R-8d
37.P*3e B-4d
38.G-9h Gx3e
39.Gx3e Bx3e
40.G*4e B-5c
41.P*2f P*7f
42.Sx7f P*7g
43.Nx7g P-4d
44.Sx8e Rx8e
45.Nx8e Px4e
(diagram 2)

MARUYAMA exchanged the 7th file Pawns by his Bishop and TANIGAWA advanced the 3rd file Pawn aiming at the 3c-Knight's head . MARUYAMA backed his Bishop with 22...B-5c attacking the 3e-Pawn , TANIGAWA advanced his 3h-Gold to join the battle around the 3rd file .

MARUYAMA didn't simply capture the 3e-Pawn by his Bishop , but dropped a Pawn with 23...P*3d to join his Rook in the battle . While MARUYAMA captured the 3e-Pawn by his dropped Pawn , TANIGAWA re-open his Bishop line with 24.P-6e and captured the 5e-Pawn with 25.Bx5e .

MARUYAMA dropped a Pawn with 25...P*2d to make the 3c-Knight's jump possible . TANIGAWA pushed the 6th file Pawn with 26.P-6d to block the 8d-Rook's side power . MARUYAMA dropped a Pawn with 26...P*5d forcing the 5e-Bishop to back .

TANIGAWA backed his Bishop with 27.B-6f and MARUYAMA turned his Rook with 27...R-7d . After some moves , MARUYAMA sacrificed his Rook and got a Silver & a Gold in his hand .

(diagram 3)

46.B-7g P*3c
47.P*3d B-4b
48.R-3h S*7i
49.K-6g G*7h
50.B-6f G*5e
51.R*2a S-3a
52.Bx5e Px5e
53.Px3c+ B*4i
54.K-6f Bx3h+
55.Rx3a+ resigns
(diagram 3)





After 109 moves , TANIGAWA won the game .

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