Sente Sanken Bisha vs Gote Ibisha Anaguma

Shogi Game record : The 17th Ginga sen ; tournament

A shogi game of the Ginga sen tournament between OGURA and MARUYAMA was broadcasted 10 September 2009 .


Sente : OGURA Hisashi (7 dan)
Gote : MARUYAMA Tadahisa (9 dan)

(diagram 1)

1.P-7f P-3d
2.P-6f P-8d
3.R-7h S-6b
4.K-4h K-4b
5.K-3h P-8e
6.B-7g K-3b
7.S-6h B-3c
8.K-2h K-2b
9.P-5f L-1b
10.S-5g K-1a
11.S-3h S-2b
12.G6i-5h G6a-5b
13.P-7e P-5d
14.B-6h S-5c
15.P-7d Px7d
16.Rx7d P*7c
17.R-7h S-6d
18.G-6g G-3a
19.P-1f P-1d
20.S-4f P-4d
21.P-3f G-4c
22.P-2f P-5e
23.Px5e P-4e
24.S4f-3g Sx5e
25.R-7f R-5b
(diagram 1)

After closing the Bishop line with 2.P-6f , OGURA immediately turned his Rook with 3.R-7h , the Sanken Bisha position . In the other hand , MARUYAMA started making Ibisha Anaguma .

While MARUYAMA was making Ibisha Anaguma , OGURA completed his Hon mino gakoi and exchanged the 7th file Pawns . Before completed Ibisha Anaguma , MARUYAMA advanced his right Silver threatening at the 5th & 6th file of OGURA's camp .

MARUYAMA pushed the 4th file Pawn with 23...P-4e forcing the 4f-Silver to back and exchanged the 5th file Pawn . OGURA floated his Rook with 25.R-7f and MARUYAMA turned his Rook with 25...R-5b .

(diagram 2)

26.P-6e R-5d
27.P*5f S-4d
28.B-5g B-4b
29.N-7g B-5c
30.Nx8e P-3e
31.Px3e P-7d
32.S-2g B-6b
33.G-3h P*8d
34.P*7c Px8e
35.P-7b+ B-9e
36.P*7g N-7c
37.P-9f Nx6e
38.Px9e Nx5g+
39.Gx5g R-6d
40.B*6a G-3c
41.P-3d G3c-3b
42.P*6e Rx6e
43.Rx7d B*3e
44.P*6f R-6d
45.Rx6d Px6d
46.N*3f S-5c
47.P-4f N*5d
48.P-3c+ Gx3c
49.B-2e+ Bx4f
50.Gx4f Nx4f
51.R*5a S-4b
52.Rx9a+ R*7h
53.L*4h Nx3h+
(diagram 2)

OGURA advanced the 6th file Pawn with 26.P-6e to reach the 7f-Rook's power at 5f and he dropped a Pawn with 27.P*5f forcing the 5e-Silver to back with 27...S-4d .

MARUYAMA moved up his Bishop with 29...B-5c aiming at the 2f-Pawn , OGURA developed his Kakoi to Ginkanmuri protecting the 2f-Pawn . MARUYAMA pushed the 7th file Pawn escaping from the 8e-Knight's attack and dropped a Pawn with P*8d to kill the Knight .

Sacrificing the 8e-Knight , OGURA made a promoted Pawn with 35.P-7b+ attacking the 6b-Bishop . After some moves both players exchanged the Bishops , and MARUYAMA turned his Rook with R-6d aiming the Rook promotion . They exchanged the Rooks too , and dropped each one's Rook to attack the opponent's Kakoi .

(diagram 3)

54.Sx3h G*4f
55.N*5d Gx3g
56.Sx3g G*4g
57.G*4i R-7i+
58.B*7f Gx3g
59.Nx3g S*5c
60.Nx4b+ Sx4b
61.Nx4e P*3b
62.Nx3c= S4bx3c
63.P*3d +Rx7g
64.G*3h S-2d
65.Nx2d Px2d
66.+B-3e N*2c
67.+B-4e P*4d
68.+B-5d P*5c
69.+B-1h N*3e
70.G*3g +Rx7f
71.S*3c +R-7i
72.G4i-3i Px3c
73.Px3c+ Sx3c
74.+Rx3a S*2b
75.+R-7a P*3a
76.P*3d Sx3d
77.S*4b N*2g
78.G*3c S*1c
79.Gx2b Sx2b
80.S*3c Sx3c
81.Sx3c+ S*2b
82.S*4b Sx3c
83.Sx3c+ S*2b
84.S*4b Sx3c
85.Sx3c+ S*2b
86.+Sx2b Kx2b
87.S*4b G*3b
88.S-4a= Nx3i+
89.Sx3b+ Px3b
90.Gx3i G*2g
91.Gx2g Nx2g+
92.+Bx2g N-3e
93.G*3h Nx2g+
94.Gx2g B*5h
95.G*3h S*3f
96.Gx3f S*4i
97.G3h-3g G*3h
98.K-1g Gx3g
99.Gx3g P-1e
100.S*3a K-1c
101.Px1e P*1f
102.K-2h G*3h
103.G3gx3h Sx3h+
104.Gx3h P-1g+
105.Lx1g B*1i
106.K-1h B-3f+
107.G*2g B-2h+
108.resigns
(diagram 3)

After 214 moves , MARUYAMA won the game .