Yagura ; Sente Hayagakoi strategy .

Shogi Game record : The 17th Ginga sen ; tournament

A shogi game of the Ginga sen tournament between MORIUCHI and AKUTSU was broadcasted 5 September 2009 .


Sente : MORIUCHI Toshiyuki (9 dan)
Gote : AKUTSU Chikara (7 dan)

(diagram 1)

1.P-7f P-3d
2.P-6f P-8d
3.S-6h S-6b
4.P-5f P-5d
5.S-4h S-4b
6.G4i-5h G-3b
7.G-6g K-4a
8.P-2f G-5b
9.S-7g S-3c
10.B-7i B-3a
11.K-6h P-4d
12.K-7h P-9d
13.P-3f P-9e
14.S-3g N-9c
15.P-2e N-8e
16.S-8h G5b-4c
17.P-3e Px3e
18.Bx3e B-6d
19.B-4f K-3a
20.S-3f P*3d
21.P*3e S-5c
(diagram 1)

MORIUCHI selected Yagura as the opening of this game and AKUTSU accepted it . Until AKUTSU's 7...K-4a , the game advanced relatively common line .

After checked AKUTSU's 8.G-5b & 10.B-3a MORIUCHI moved up his King with 11.K-6h to make his Yagura gakoi by Hayagakoi method .

But before MORIUCHI completed the Kakoi , AKUTSU jumped his right Knight with 15...N-8e attacking the 7g-Silver . MORIUCHI exchanged the 3rd file Pawn and started attacking with 21.P*3e .

(diagram 2)

22.P-8f Nx9g+
23.Sx9g P-9f
24.Sx9f Lx9f
25.Lx9f P-8e
26.L-9c+ R-8d
27.Bx6d Px6d
28.B*5b P-6e
29.Px3d Sx3d
30.P-2d Px2d
31.P*2b Px8f
32.P*8e R-6d
33.Px6e R-6b
34.Px2a+ Kx2a
35.B-4a+ P*6f
(diagram 2)

MORIUCHI pushed the 8th file Pawn with 22.P-8f attacking the 8e-Knight . If AKUTSU captured the 8f-Pawn with 22...Bx8f , his 7c-Pawn would become unprotected and MORIUCHI would captured it with 23.Bx7c+ attacking the 8b-Rook .

Sacrificing the 8e-Knight with 22.Nx9g+ , AKUTSU attacked the 9th & 8th file of MORIUCHI's camp .

MORIUCHI made a promoted Lance with 26.L-9c+ attacking the 8b-Rook . Dropping a Bishop with 28.B*5b aiming at both MORIUCHI's Rook & King . After some moves , MORIUCHI succeeded to make his Bishop promoted .

(diagram 3)

36.G-7g G4c-4b
37.P*2b Gx2b
38.+Bx4b Sx4b
39.Gx8f P-6g+
40.K-8g Rx6e
41.N*4f S-2c
42.N*3d +P-7g
43.K-9f B*3i
44.Nx4b+ P*9e
45.Kx9e S*8d
46.resigns
(diagram 3)



After 90 moves , AKUTSU won the game .

Shogi game record : GOUDA beated MORIUCHI in Ai-Yagura game . (Jun'i sen)

Shogi game record : The 67th Jun'i sen : A-class league

A shogi game of Jun'i sen A-class league between MORIUCHI and GOUDA started 8 January 2009 .


Sente: MORIUCHI Toshiyuki (9 dan)
Gote: GOUDA Masataka (9 dan)

(diagram 1)

1.P-7f P-8d
2.S-6h P-3d
3.P-6f S-6b
4.P-5f P-5d
5.S-4h S-4b
6.G4i-5h G-3b
7.G-6g K-4a
8.P-2f! G-5b
9.S-7g P-7d
10.B-7i S-3c
(diagram 1)





MORIUCHI selected "Yagura" opening as the opening of this game , and GOUDA accepted it . Both players naturaly advanced their each camp , but MORIUCHI choiced interesting move ; 8.P-2f ! By this move , he tried to make "Yagura gakoi" without moving Bishop from 7i square . This tactics is usually called "Hayagakoi" .

(diagram 2)

11.K-6h P-6d
12.S-5g N-7c
13.S-4f S-6c
14.K-7h S-4d
15.P-2e P-8e
16.P-2d Px2d
17.Rx2d P*2c
18.R-2h P-1d
19.P-9f P-9d
20.P-3f P-5e
21.Px5e Sx5e
(diagram 2)




MORIUCHI developped his camp as "Hayagakoi" way with K-6h . GOUDA shown an attacking attitude with P-6d . MORIUCHI joined his right Silver around center 5e square to defend from GOUDA's attack and to counterattack GOUDA's camp . GOUDA advanced his camp the formation of "Yonenaga ryu Kyusen Yagura" and started attacking in 5th file .

(diagram 3)

After 144 moves , GOUDA won this game .