: ( 58ce)
Black defends in the left centre.

:
White forces in the lower left, ...

:
... before connecting her single stone in the right centre in return.

:
The Main Semeai continues.

Black plays 3/3 reductions.

Capture Variation:

Compared to the superordinate variation, ...

• Black's cumulated gain in the lower left corner is two points.
• Black did not capture White's stone in the right centre, 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's cumulated gain in the lower left corner is two points.
• Black captured one White stone less in the lower left corner, so losing two points.
• Black destroyed one point of White's territory in the centre.

In total, Black gained one point.

White + 2 => White + 1