: ( 648io)
White blocks at the top.

:
Black captures at the upper edge.

; :
These two points form a double-ko, and could have been left untouched until before the end of the game.
We exchanged these two moves her to simplify the presentation.

Black plays 3/4 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 ...

• Black's cumulated gain at the upper edge is two points.
• White got one additional point of territory at the top.

In total, White lost one point.

White + 1 => Jigo

Semeai Variation:

Compared to the superordinate variation ...

• Black's cumulated gain at the upper edge is two points.
• White got one additional point of territory at the top.

In total, White lost one point.

White + 1 => Jigo