(Referenced by 496)

:
Late, but not too late, we found that, after the last Black oki () inside White's four-point-eye on the left, White can immediately play the tsuke of Yamada Shinji, to gain an advantage of one point locally. Black cannot defend at , because White would play , capture Black's stones in sente, and thereafter reach a seki in the top left ( 560).

So our terminal result for the outcome of the problem is that Black wins by three points.

However, there remains the danger that Black might play tenuki in the later endgame on the left side, and enforce the Semeai Variation with a move at . This will be profitable for Black, if the difference in the results of both main variations (Semeai and Capture Variation) is greater than, or equal to, his loss in the endgame on the left. This does not apply to our solution; however, it does apply to the professional solution.

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:
White has a simple measure to destroy this kind of option for Black: She plays Yamada Shinji's tsuke earlier - at least one move before Black completes the four-stone nakade on the left - i.e. no later than this move here.

Now, Black cannot tenuki the endgame on the left, for example, to start the Semeai Variation with .

:
Black is one move behind on the left, so White will win the semeai in the lower right corner, and so the game.

As a matter of course, Black could capture White's -group on the left side with a move at . But then, White would live with a move at in the lower left corner, so capturing all of Black's -groups on the right, which is larger.