Gote open Shiken Bisha vs Sente Ibisha Anaguma

Shogi Game record : The 18th Ginga sen ; E-block

A shogi game of the Ginga sen E-block between NAKAGAWA Keigo (amateur) and KOSAKA was broadcasted 15 October 2009 .


Sente : NAKAGAWA Keigo (amateur)
Gote : KOSAKA Noboru (7 dan)

(diagram 1)

1.P-2f P-3d
2.P-7f R-4b
3.S-4h K-6b
4.K-6h Bx8h+
5.Sx8h S-2b
6.K-7h S-3c
7.S-7g K-7b
8.K-8h K-8b
9.L-9h P-2d
10.K-9i R-2b
11.S-8h S-4d
12.P-4f N-3c
13.S-4g S-7b
14.G-7i P-9d
15.P-9f G4a-5b
16.P-3f P-2e
(diagram 1)

KOSAKA turned his Rook with 2...R-4b without closing the Bishop line . When NAKAGAWA moved up the King with 4.K-6h KOSAKA exchanged the Bishops with 4...Bx8h+ , because after K-7h , Sente can capture the Bx8h+ by Kx8h .

NAKAGAWA started making Ibisha Anaguma with 9.L-9h and KOSAKA turned his Rook with 10...R-2b .

After completed Hon mino gakoi , KOSAKA started attacking with 16...P-2e .

(diagram 2)

17.Px2e Rx2e
18.Rx2e Nx2e
19.R*2g P*2d
20.P*2f Nx1g+
21.Rx1g R*2h
22.S-3h Rx2f+
23.B*2b B*2h
24.R-1h Bx1i+
25.Rx1i L*1d
26.N*1g P-3e
27.Bx1a+ Px3f
28.P-4e Sx4e
29.+B-5e +R-3e
30.B*1b S-5d
31.+B-7g P-4d
32.B-2c+ P-4e
33.G-4h P-4f
34.R-1h +R-2f
35.+B-5f +R-3e
36.+B-2c +R-2f
37.+B-3d P-2e
38.+B-2d Lx1g+
39.Rx1g N*3e
40.Rx1c+ P-4g+
41.Gx4g +R-2h
42.G-4h N-2g+
43.+B-4f P-3g+
44.Sx3g +Rx2i
45.+R-1a G5b-6b
46.L*8f N*7d
(diagram 2)

After 2 Pawns and 2 Rooks exchange , NAKAGAWA dropped a Rook with 19.R*2g to avoid KOSAKA's Rook drop . KOSAKA dropped a Pawn with 19...P*2d to protect the 2e-Knight and NAKAGAWA also dropped a Pawn with 20.P*2f to kill the Knight . KOSAKA sacrificed the Knight with 20...Nx1g+ and succeeded to drop a Rook with 21...R*2h .

NAKAGAWA backed his right Silver with 22.S-3h to protect the 2i-Knight and KOSAKA made his Rook promoted with 22...Rx2f+ . Both players dropped their each Bishop with 23.B*2b B*2h .

KOSAKA sacrificed his Bishop with 24...Bx1i+ getting a Lance and attacked NAKAGAWA's Rook by the Lance with 25...L*1d .

Although a Rook was useless on 1i square , NAKAGAWA made 2 promoted Bishops . After some moves , both players dropped a minor pieces with 46.L*8f N*7d to attack the opponent's Kakoi directly .

(diagram 3)

47.P-7e Nx8f
48.Px8f P-6d
49.P-8e S-6e
50.+Bx6d L*6c
51.+B-4f P*4e
52.+B-4g +Rx7i
53.Sx7i +Nx3g
54.+Bx3g S*4f
55.+B-3h P*3g
56.+Bx6e Lx6e
57.R*4a P-3h+
58.G-5h +P-4h
59.G-6h B*5e
60.P-8d Bx1a
61.Rx1a+ R*3i
62.S*8h Px8d
63.P*8c Sx8c
64.L*6d P*3a
65.+R-1b G*7b
66.Lx6b+ G6ax6b
67.N*6d resigns
(diagram 3)

After 133 moves , NAKAGAWA won the game .