: ( 548kk)
Black continues with occupying opponent's liberties in the Main Semeai.

:
White connects her single stone at the upper edge that was in atari.

:
The Main Semeai continues.

, , :
Black is able to destroy four points of potential White territory at the right.

Capture Variation:

Compared to the superordinate variation, ...

• White gained two points at the upper edge (one connected stone, one point of territory)
• Black destroyed an additional two points of White territory at the right.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation, ...

• White gained two points at the upper edge (one connected stone, one point of territory)
• White lost one point of territory in the centre.
• White captured an additional two Black stones.

In total, Black lost three points.

Black + 4 => Black + 1