: ( 222ao)
White answers Black's kikashi with the atari.

:
Black plays the large endgame move of .
Not only does he save his single stone at the top, but he also secures a lot of additional territory in the upper left corner.

:
White continues by capturing at the upper edge.

:
Black gives atari at White's two stones in the lower left.

...

Black plays 1/1 reduction.

Capture Variation:

Compared to the superordinate variation ...

• Black's cumulated gain in the upper left is five points.
• White's cumulated gain at the top is one point.
• White's cumulated gain in the upper right corner is six points.
• Black destroyed one point of White's territory there.

In total, White gained one point.

Black + 1 => Jigo

Semeai Variation:

Compared to the superordinate variation ...

• Black's cumulated gain in the upper left is five points.
• White's cumulated gain at the top is one point.
• White got an additional two points of territory in the upper right corner.
• White captured two Black stones less at the upper edge, so losing four points.
• White captured an additional Black stone in the upper right corner, so gaining one point.

In total, White lost five points.

Black + 4 => Black + 9