7:47 P.M. , 2 December 2011 , after 90 moves , SATO wan the challenger deciding game and he becomes the challenger of the 61st Osho sen title match .
You can see the original game record on the Net .
(Flash version , written in Japanese language)
(The official blog of the Osho sen , written in Japanese language)
SATO Yasumitsu (9 dan)
TOYOSHIMA Masayuki (6 dan)
By 4...Bx8h+ , SATO selected Ittezon Kakugawari as the opening of this game and TOYOSHIMA advanced his right Silver onto 4f making Hayakuri Gin attacking form .
Replying TOYOSHIMA's 3rd file Pawn exchange , SATO advanced the 8th file Pawn with 12...P-8e to prepare a counter-attack . TOYOSHIMA dropped a Pawn with 13.P*3d forcing the 3c-Silver to back and made his King safety with 14.G-5h .
SATO exchanged the 8th file Pawn and TOYOSHIMA jumped the left Knight with 16.N-7g . SATO backed his Rook with 16...R-8b to avoid being attacked the Rook .
TOYOSHIMA exchanged the 2nd file Pawns and backed the right Silver onto 4f again . SATO dropped a Pawn with 20...P*8f aiming at this file .
After 90 moves , SATO won the game .