: ( 58cn)
White connects her single stone in the upper right.

:
Black solidifies his shape in the left centre, also continuing with the Main Semeai.

Black plays 3/4 reductions.

Capture Variation:

Compared to the superordinate variation, ...

• Black got an additional point of territory in the left centre.
• Black did not destroy one point of White's territory in the upper left corner.

In total, gains and losses compensate for each other.

White + 1 => White + 1

Semeai Variation:

Compared to the superordinate variation, ...

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

In total, gains and losses compensate for each other.

Jigo => Jigo