Shogi Game record : SATO ryu Mukai Bisha with Bx8h+ . (Asahi cup)

Shogi game record : The 3rd Asahi cup shogi open : 1st preround

A shogi game of Asahi cup shogi open between NAKAMURA Yusuke (amateur) and TANAKA Yuichi started 2:00 P.M. 4 July 2009 .


You can see the original game record on the Net .
http://live.shogi.or.jp/asahi/archives/3/kifu/20090704asahi_22.html?TB_iframe=true&width=600&height=570
(Flash version , written in Japanese language)


Sente : NAKAMURA Yusuke (amateur)
Gote : TANAKA Yuichi (4 dan)

(diagram 1)

1.P-2f P-3d
2.P-7f P-5d
3.K-6h Bx8h+
4.Sx8h R-2b
5.B*7g B*3c
6.P-2e S-4b
7.K-7h K-6b
8.S-4h K-7b
9.G4i-5h K-8b
10.P-9f P-9d
11.P-8f S-5c
12.S-8g S-7b
13.P-4f P-5e
14.P-3f S-5d
15.K-8h P-6d
16.G-7h G4a-5b
17.P-6f G-6c
18.G5h-6g P-7d
19.S-5i P-4d
20.P-3e
(diagram 1)

TANAKA seemed to select Gokigen Nakabisha until 2...P-5d . But replying NAKAMURA's 3.K-6h , TANAKA exchanged the Bishop and his Rook moved to 2b . In other word , TANAKA selected Mukai Bisha , SATO ryu Kaku koukan Mukai Bisha .

NAMURA dropped a Bishop with 5.B*7g and TANAKA also dropped a Bishop with 5...B*3c to block his Rook . After moving up the left Silver with 6...S-4b , TANAKA started making his Kakoi .

While NAKAMURA was making Ginkanmuri , TANAKA completed his Taka mino gakoi with 17...G-6c and advanced the 5th file Pawn . NAKAMURA's Silver was coming to the left side to join King's kakoi . But before it completed , NAKAMURA started attacking with 20.P-3e .

(diagram 2)

20...Px3e
21.R-3h P-4e
22.Px4e P*4f
23.S-5h Sx4e
24.Rx3e R-4b
25.N-3g S-5d
26.P*4e P*3h
27.P-2d Px2d
28.P*2e P-3i+
29.Px2d R-2b
30.N-2e B-5a
31.R-3a+ Rx2d
32.P*2f +P-4i
33.Sx4i P-4g+
34.P-6e Px6e
35.P*3d B-7c
36.P-3c+ Sx4e
37.+R-4a S-4f
38.S-4h +Px4h
39.+Rx4f +P-5h
40.+R-4g S*6i
41.G6g-6h +Px6h
42.Gx6h P-6f
43.Bx6f R-6d
44.P*6g Rx6f
45.Px6f P*6g
46.Gx6i G*6h
(diagram 2)

TANAKA captured 3e-Pawn and NAKAMURA turned his Rook to 3h for attacking . Sacrificing the 4th file Pawn with 21...P-4e , TANAKA dropped a Pawn with 22...P*4f to threatening a Pawn promotion . NAKAMAURA moved up his 5i-Silver with S-5h to decline the Pawn promotion .

After some moves , NAKAMURA success making a promoted Rook . TANAKA advanced his left Silver with 36...Sx4e for attacking . NAKAMURA's promoted Rook backed for defense with 39.+Rx4f . TANAKA attacked NAKAMURA's Kakoi directly with his promoted Pawn and a Silver in hand . Exchanging TANAKA's Rook and NAKAMURA's Bishop , TANAKA continued attacking , and his attack seemed to difficult to defend for NAKAMURA .

(diagram 3)

47.S*7h Gx6i
48.Sx6i G*6h
49.G*7i P*4f
50.+Rx4f P-5f
51.+Rx5f Gx7i
52.Kx7i P*5h
53.+Rx6g P-5i+
54.S6i-7h Bx1i+
55.K-8h +B-5e
56.R*4a P*6e
57.S*7g Px6f
58.Sx6f L*6d
59.G*7g Lx6f
60.Gx6f S*5h
61.+R-7g +B-7c
62.Rx2a+ +P-6i
63.K-9h B*6h
64.+P-4b P-9e
65.+P-5b Px9f
66.P*9b Lx9b
67.P*9c Lx9c
68.N*8e G*9g
69.resigns
(diagram 3)

After 136 moves , TANAKA won the game .