(Referenced by 496)

is the tsuke that has been found by Yamada Shinji.
Black is unable to resist with at . White would capture at in sente, thereafter reducing Black's territory in the top left corner decisively ( 560).

N. B.: Please note that our investigations of the second throw-in had been not finished at the time, when we did the calculation shown below. So, Black did not play this move here.

If, after , we assume that all the big groups are alive, and count the score, it would show an advantage of 26 points for White.

Black has 19 points in the upper left, 3 points in the centre, 12 points in the lower left, and 1 prisoner, for a total of 35 points. White has 5 points on the left, 6 points at the bottom, 9 points on the upper edge, 19 points in the upper right corner, and 22 prisoners, for a total of 61 points.