Yokofudori ; CHUZA Bisha K-5b variation vs Sente Nakazumai Gyoku + Kin biraki form (Asahi cup)

Shogi Game record : The 4th Asahi cup Shogi open ; 2nd pre-round


A shogi game of the Asahi cup Shogi open ; 2nd pre-round between MURANAKA Syuuji and MATSUO Ayumu started 10:00 A.M. (JST) , 1 November 2010 .


You can see the original game record on the Net .
http://live.shogi.or.jp/asahi/archives/4/kifu/20101101asahi_12.html?TB_iframe=true&width=600&height=570
(Flash version , written in Japanese language)


Sente : MURANAKA Syuuji (6 dan)
Gote : MATSUO Ayumu (7 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-8e
11.R-2f K-5b
12.K-5h G-5a
13.G-3h P-7d
14.P-3f S-6b
15.N-3g N-7c
16.S-4h P*8f
17.Px8f Rx8f
18.P-3e R-8e
19.Bx3c+ Nx3c
20.S-8h P*2e
21.R-5f Rx3e
22.P*3f R-8e
23.N-7g R-8a
24.P-7e B*8i
(diagram 1)

MATSUO selected Yokofudori as the opening of this game . MATSUO moved up his King with 11...K-5b making Nakazumai Gyoku Nakahara gakoi form .

MURANAKA also set his King with 12.K-5h to make popular Nakazumai Gyoku + Kin biraki formation . Just after making Nakahara gakoi , MATSUO started attacking the with 16...P*8f . Replying MATSUO's 8th file Pawn exchange , MURANAKA advanced the 3rd file Pawn aiming at the 3c-Bishop's head .

After some moves , MURANAKA pushed the 7th file Pawn with 24.P-7e to attack the 7c-Knight's head and MATSUO dropped a Bishop with 24...B*8i to counter-attack .

(diagram 2)

25.G-7i P*8g
26.Gx8i Px8h+
27.P*8f +P-8g
28.Px7d +Px7g
29.Px7c+ Sx7c
30.P*7h P*7f
31.Px7g Px7g+
32.P*7h P*7f
33.Px7g Px7g+
34.P*7h +Px6g
35.Kx6g N*7e
36.K-7g S*6g
37.R-5e S-6d
38.Rx7e Sx7e
39.Kx6g R*8g
40.K-5h Rx8i+
41.P-4f Rx8f
42.B*7c S-6d
43.Bx5a+ Kx5a
44.B*9e P*7c
45.Bx8f B*4i
46.resigns
(diagram 2)

After 90 moves , MATSUO won the game .