Moriuchi won the 5th game of 66th Meijin-sen

On June 5 and 6, the 5th game of 66th Meijin-sen 4-win match between Meijin Moriuchi and Challenger Habu took place at Yumura Tokiwa Hotel in Kofu City of Yamanashi prefecture. Moriuchi was Sente player this game and he won it in 109 moves. The opening strategy was ai-gakari. Moriuchi led the position in the opening and keep it to the end without making a wrong move I could recognize.

The diagram below is the resignation one when Sente dropped his pawn on 7h. It seems too early to resign but Gote was actually hopeless. The possible variations after that position would be as followings;

R*8i S-7i Rx7i+ Kx7i S*8h K-6i P*6h Kx6h Sx7g= Kx5g P*5f K-4h S*5g K-3h G*4h K-2g Gx3i R*7b(mate)

R*8i S-7i +Bx7h Kx7h S*8g K-6h Rx7i+ K-5g +Rx7g B*7a Kx7a G*7b(mate)

R*8i S-7i +Bx7h Kx7h Rx8d+ B*7a K-9b G*8b K-9c Gx8a P*8b N*8e +Rx8e Nx8e K-8d B-6b+ Kx8e R*8d K-7f B*8g (mate)

R*8i S-7i +Bx7h Kx7h Rx8d+ B*7a K-9b G*8b K-9c Gx8a P*8b N*8e K-8c Bx8b+ K-7d G-6d(mate)

R*8i S-7i +Bx7h Kx7h Rx8d+ B*7a K-9b G*8b Kx8b Bx8b+ Kx8b R*7b K-8c B*6e K-9c N-8e K-8d R-7d+(mate)

R*8i S-7i +Bx7h Kx7h Rx8d+ B*7a K-9b G*8b Kx8b Bx8b+ Kx8b R*7b K-9c B*7a K-8c B-8b+ K-8d B-7c Nx7c Rx7c+(mate)

R*8i S-7i +Bx7h Kx7h Rx8d+ B*7a K-9b G*8b Kx8b Bx8b+ Kx8b R*7b K-9c B*7a K-8d B-6b+ K-8c +Bx7c Nx7c Rx7c+ K-9b N*8d K-8a +R-7b(mate)

R*8i S-7i +Bx7h Kx7h Rx8d+ B*7a K-9b G*8b Kx8b Bx8b+ Kx8b R*7b K-9c B*7a K-8d B-6b+ K-9c N-8e K-8c +Bx7c Nx7c Rx7c+ K-9b N*8d K-8a +R-7b(mate)

R*8i S-7i P*6h Kx6h +Bx7g Px7g  Rx8d+  B*7a K-9b B*5f N*7d G*8b +Rx8b Bx8b+ Kx8b R*7b K-9c Rx7d G*8d N*8e Gx8e +R-8c(mate, replayable by clicking the arrow in the right direction)

R*8i S-7i P*6h Kx6h +Bx7g Px7g  Rx8d+  B*7a K-9b B*5f N*7d G*8b +Rx8b Bx8b+ Kx8b R*7b K-9c Rx7d G*8d N*8e K-9b +R-7b(mate)

R*8i S-7i P*6h Kx6h +Bx7g Px7g  Rx8d+  B*7a K-9b B*5f N*7d G*8b K-9c Gx8a P*8b Bx8b+ +Rx8b Gx8b B*6a G-7c G*8d N*8e Gx8e R*8c Bx8c G7cx8c(mate)

R*8i S-7i P*6h Kx6h +Bx7g Px7g  Rx8d+  B*7a K-8c B*6e S*7d G*8b K-9c Gx8a P*8b Bx8b+ +Rx8b Gx8b Kx8b R*7b K-9c N*8e Sx8e R-7c+(mate)