: ( 648no)
White blocks at the top.

:
Black destroys White's potential territory in the centre.

:
White recaptures at the upper edge.

:
White connects the ko at the upper edge.

Otherwise, Black might be able to recapture for another time, and to connect thereafter, enhancing his score in the Semeai Variation.

Black plays 2/4 reductions.

Please assume the rejection of Dany's Sacrifice and Black's second kikashi in the hanezeki (, ) played before.

Capture Variation:

Compared to the superordinate variation ...

• White's cumulated gain at the upper edge is two points.
• White did not get any territory in the left centre, so losing two points.

In total, gains and losses compensate for each other.

White + 1 => White + 1

Semeai Variation:

Compared to the superordinate variation ...

• White's cumulated gain at the upper edge is two points.
• White did not get any territory in the left centre, so losing two points.

In total, gains and losses compensate for each other.

White + 1 => White + 1