(Referenced by 222gp)

: ( 222gn)
Black gives atari at White's single stone in the upper left.

: (A 222hb)
White gives counter-atari.

White might consider to simply capturing Black's single stone at the upper edge.
She will lose only a few points, and still remain much better than with Our Solution.

:
Black has to capture.

:
White gives another atari in the corner.

:
Black must cut at the top.

:
White captures a Black stone.

:
Black is forced to capture White's two stones at the upper edge in return.

:
White gives atari at the left edge.

:
Black simply connects.

It does not make sense to fight a ko by capturing at , as he would have to eventually connect at anyway.

:
White's hane prevents a second Black eye at the upper edge.

:
Black connects solidly.

It would not make a difference, if he played atari at , instead.

:
White continues with the Main Semeai.

:
Please note that Black is par with the Punishment Semeai Liberty Level, and so has not other choice but to follow White in the Main Semeai.

:
White covers her last open territorial spot at the right side of the board.

:
Please note that Black's atari at White's group at the left comes thereafter.

:
Black ends in gote.

:
Now, the time is ripe to connect in the upper left corner.

:
Black's connection at the top prevents a White throw-in at the same point.

:
White strengthens her shape of her corner group.

:
White's last move in the upper left corner was gote, so Black is able to take the large endgame point at the lower edge.

:
White continues by defending her territory at the top.

:
Black takes profit at the upper edge, as there is nothing profitable left at the right side.

:
White takes a liberty of Black's corner group, forcing him to sacrifice twice, providing White with an additional three prisoners.

:
The upper left corner is a seki now.

:
The Main Semeai continues.

:
Black has eight Main Semeai Liberties () at White's decision point, one more than necessary to survive the Punishment Semeai.

However, there is no use for this surplus liberty left.

Please note that this is the reason why White would lose one point, if she waited with the operation in the upper left corner until after her decision point.

Capture Variation:

Compared to the super²ordinate variation ...

• White's cumulated gain in the upper left corner is 17 points.
• Black's cumulated gain at the top is eleven points.
• Black got an additional point of territory in the left centre.
• Black captured White's two stones in the lower left, so gaining four points.
• White's cumulated gain at the right is six points.

In total, White gained seven points.

White + 3 => White + 10