: ( 58at)
Black occupies a liberty of White's left-hand group.

:
White attacks with a placement in Black's upper left corner.

: (150 58ax)
Black attaches at White's just played stone.

Alternatively, he could also jump to .

:
White gives atari.

:
Black connects.

:
White threatens to achieve a seki in the corner.

:
Black has to connect his forces.

:
White forces Black to take her two stones in the corner off the board.

Black plays 4/4 reductions.

Capture Variation:

Compared to the superordinate variation, ...

• White's cumulated gain in the upper left corner is one point.
• Black destroyed one point of White's territory in the upper right corner.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation, ...

• White's cumulated gain in the upper left corner is one point.
• White captured one Black stone more in the upper right corner, so gaining one point.

In total, Black lost two points.

Black + 5 => Black + 3