: ( 648io)
White continues with the Main Semeai.

:
Black captures the ko in the centre "early".

He would lose two points in the Semeai Variation, if he let White connect at this point after her decision point.

:
Black connects.

Black plays 2/2 reductions.

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

Capture Variation:

Compared to the superordinate variation ...

• Black captured one White stone in the left centre, so gaining one point.
• White got an additional point of territory in the upper right corner.

In total, gains and losses compensate for each other.

White + 1 => White + 1

Semeai Variation:

Compared to the superordinate variation (arithmetically) ...

• Black captured one White stone in the left centre, so gaining one point.
• White captured one Black stone less in the upper right corner, so losing one point.

In total, White lost two points.

White + 1 => Black + 1