: ( 222nb)
Black descends at the upper edge, securing additional territory for his upper left corner.

:
Capturing Black's stone at the lower edge is sente.

: (129 222nf)
White peeps at the upper edge, so continuing with the Main Semeai.

Alternatively, she might consider connecting her two stones in the lower left with .
However, she should refrain from doing so, as this move would benefit Black in the Semeai Variation.

: ( 131 222ng)
White forces in the left centre in the "classical" way.

However, she should have played the wedge at , instead, gaining one point overall.

Black must not play any reduction.

After her decision point, White will block at .
Black will give atari at , forcing White to connect with .

Capture Variation:

Compared to the superordinate variation ...

• Black got an additional two points of territory in the upper left corner.
• White captured Black's stone at the lower edge, so gaining 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 upper left corner.
• White captured Black's stone at the lower edge, so gaining two points.

In total, gains and losses compensate for each other.

Jigo => Jigo