(Referenced by 222gt)

: ( 222gn)
Black connects his partial groups in the upper left solidly.

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White gives atari at the left edge.

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Black connects.

As usual, he is unable to resist by giving counter-atari with .

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White pushes once into Black's formation at the upper edge, ...

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... before securing an eye in the corner.

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White continues with the Main Semeai.

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Black is par with the Punishment Semeai Liberty Level and so unable to start any activity in the upper left corner.

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White will play the subsequent sequence after her decision point.

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Black connects in the lower left.

Please be aware that is not available for Black as an atari after the hanezeki's tail has been captured by White.
This implies that White would be one point worse, if she started the endgame on the left side too early (she would be forced to connect at ).

:
White's eye is larger than Black's, so Black has to occupy an internal liberty of White's group.
White will capture this Black stone later, so gaining one additional point in the seki.

Please remember that Black must not play any reduction.

Capture Variation:

Compared to the super²ordinate variation ...

• White's cumulated gain in the upper left corner is 15 points.
• Black's cumulated gain at the top is 14 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 in the lower left corner is five points.
• White's cumulated gain at the right is six points.

In total, White gained seven points.

White + 3 => White + 10