: ( 58bz)
Black secures two eyes in the left centre.

:
White connects her single stone in the right centre in return, also continuing with the Main Semeai.

Black plays 3/3 reductions.

Capture Variation:

Compared to the superordinate variation, ...

• Black got an additional two points of territory in the left centre.
• Black did not capture White's stone in the upper right, so losing two points.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation, ...

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

In total, Black gained one point.

White + 2 => White + 1