: ( 648rb)
White occupies another liberty of Black's large group at the right.

:
Black captures White's single stone at the upper edge - sooner or later.

:
White gives atari - sooner or later.

Black plays 0/2 reductions.

In the Capture Variation, White will be able to capture Black's single stone at the upper edge with , and to connect at thereafter.
In the Semeai Variation, White will capture with only.

Before the end of the game, Black will have to capture at .

Capture Variation:

Compared to the superordinate variation ...

• Black captured one White stone at the upper edge, so gaining one point.
• White captured one Black stone at the upper edge, so gaining one point.
• White occupied an own point of territory at the upper edge, so losing one point.

In total, White lost one point.

White + 2 => White + 1

Semeai Variation:

Compared to the superordinate variation ...

• Black captured one White stone at the upper edge, so gaining one point.
• White captured one Black stone at the upper edge, so gaining one point.
• White occupied an own point of territory at the upper edge, so losing one point.
• White did not occupy one point of her territory at the upper edge, so gaining one point.

In total, gains and losses compensate for each other.

White + 2 => White + 2