: ( 648hi)
White plays the central attachment, intending to get some points of territory in the centre.

:
It is best for Black to capture White's single stone at the upper edge.

If he destroyed White's potential territory in the centre, starting with , White would also win the Semeai Variation.

:
White secures two points of territory in the centre.

:
White continues with the Main Semeai.

She must not throw-in at before her decision point, in gote, because there can be no impact on the lower left corner.

Black plays 3/3 reductions.

Please assume the rejection of Dany's Sacrifice (, ) played before.

The point of lA will be untouched until after White's decision point.

In the Capture Variation, it does not mind who occupies this point, so we will assume that Black connects with .
In the Semeai Variation, White will start with the throw-in at , forcing Black to capture this stone, and to connect thereafter.

Please note that Black does not want to play at before White's decision point, in gote, because White would win both Main Variations thereafter.

Capture Variation:

Compared to the superordinate variation ...

• Black's cumulative gain at the upper edge is three points.
• White got two points of territory in the left centre.
• Black lost one point of territory there.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation ...

• Black's cumulative gain at the upper edge is three points.
• White got two points of territory in the left centre.
• Black lost one point of territory there.

In total, gains and losses compensate for each other.

Black + 1 => Black + 1