: ( 648db)
Black captures White's two stones in the lower left.

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White's tries the block at the top here. But she will be unable to affect the final scores in her favour.

As a matter of course, she could have connected with at the upper edge, instead.

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White is bound to follow Black around the board, if she does not want to lose the Semeai Variation.
Black captures at the upper edge here.

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White has to play her kikashi in the hanezeki, sooner or later.

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Connecting the ko in the centre is a simple continuation.

This move and are miai.

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Black is able to connect.

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The Main Semeai continues.

Black plays 0/1 reduction.

Capture Variation:

Compared to the superordinate variation ...

• Black's cumulated gain at the upper edge is three points.
• White got an additional point of territory at the top.
• Black did not capture one White stone in the left centre, so losing one point.
• Black did not get any territory there, so losing one point.

In total, gains and losses compensate for each other.

Black + 4 => Black + 4

Semeai Variation:

Compared to the superordinate variation ...

• Black's cumulated gain at the upper edge is three points.
• White got an additional point of territory at the top.
• Black did not capture one White stone in the left centre, so losing one point.
• Black did not get any territory there, so losing one point.

In total, gains and losses compensate for each other.

White + 2 => White + 2