On January 18 and 19, the 2nd game of 59th Osho sen between Osho
Habu and Challenger Kisei Sato was held in Shiga prefecture, Japan. Habu was a Sente(Black) player and won the game in 107 moves. The opening strategy was Ai Yagura. The score is tied by 1-1 after the game. You may replay the game here
.
The diagram above is resignation diagram. Sato resigned the game when Habu dropped his Silver on 4b. There was no immediate mate. But as you can see in the possible variation below. Gote was hopeless at the diagram.
The possible variation after the diagram;
Sx4b +Px4b Gx4b +Bx4b N*7e G*3b(!) Kx3b R*5b G*4b R*2b(!) Kx2b Rx4b+ G*3b S*3a K-1b +Rx3b(mate)
Sx4b +Px4b Gx4b +Bx4b G*3b R*8b Gx4b Rx4b+ B*3b G*4c S*4a S*3c Nx3c Gx3c K-1b G*2b(mate)
Sx4b +Px4b Gx4b +Bx4b G*3b R*8b Gx4b Rx4b+ S*3b G*4c B*4a +Rx3a Kx3a G*4b K-2b S*3a K-1b R*2b(mate)
Sx4b +Px4b Gx4b +Bx4b G*3b R*8b N*7e +Bx3a Kx3a R*5a K-2b Rx3b+ Kx3b R-5b+ S*4b G*4c K-2b +Rx4b(mate)
Sx4b +Px4b Gx4b +Bx4b G*3b R*8b N*7e +Bx3a Kx3a G*4c Gx4c R*3b K-4a R8b-5b+(mate)
Sx4b +Px4b Gx4b +Bx4b G*3b R*8b N*7e +Bx3a Kx3a G*4c Nx8g+ Kx8g G*4b Gx4b Gx4b G*2b Kx2b Rx4b+ G*3b S*3a K-1b +Rx3b(mate)
Sx4b +Px4b Gx4b +Bx4b G*3b R*8b N*7e +Bx3a Kx3a G*4c Nx8g+ Kx8g G*4a R*5a(!) S*4b Rx4a+ Kx4a G*5b K-3a Gx4b K-2b G4bx3b K-1b G-2b(mate)
N*7e S*3a+ Nx8g+ Kx8g Gx3a +Bx3a Kx3a R*4a K-2b G*3b Kx3b R*3a K-2b Rx2a+(mate, this line is replayable in the diagram.)
The 3rd game will be held in Hakkaido on January 24 and 25.
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