A game of Jun'i sen A class league between MARUYAMA and MORIUCHI started 7 August 2008 .
Sente; MARUYAMA Tadahisa (9 dan)
Gote; MORIUCHI Toshiyuki (9 dan)
(diagram 1)
1. P-7f P-3d
2. P-2f P-5d
3. P-2e R-5b
4. Bx2b+ Sx2b
5. G-5h(4i)
(diagram 1)
MORIUCHI led the opening "Gokigen Nakabisha" . MARUYAMA replied with "MARUYAMA's vactin" and selected "IIJIMA's variation" ; G-5h(4i) . In this variation Sente has a chance to make "Ibisha Anaguma" .
(diagram 2)
5... B'3c
6. B'7g Bx7g+
7. Nx7g K-6b
8. K-6h S-3c
9. S-4h K-7b
10. P-4f S-6b
11. S-4g R-2b
12. K-7h P-2d
(diagram 2)
MORIUCHI disturbed MARUYAMA to make "Ibisha Anaguma" by dropping Bishop .
MARUYAMA dropped his Bishop at 7g square . If MARUYAMA dropped it at 8h square , MORIUCHI will move P-5e , transpositon to "Gosuji Kuraidori Nakabisha" .
After Bishop exchange , MARUYAMA wasn't able to made "Ibisha Anaguma" but became easiar to drop his Bishop at 5c ; If MORIUCHI's Rook move 2b , MORIUCHI can't prevent MARUYAMA from making promoted Bishop , so MORIUCHI need S-6b before his Rook's move .
MORIUCHI started attacking with P-2d .
After 101 moves until Gx5h , MARUYAMA won this game .
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