: ( 222ih)
Black connects.

:
White attacks Black's corner with the hasami-tsuke at the left edge.

:
White jumps down to the second line.

:
Black answers with the push at the left.

:
White cuts at the right, in order to spoil Black's shape there.

:
After this surprising move at the 1-2-point, there is nothing left that White could do in this corner.

:
White blocks at the top by giving atari.

:
White connects her single stone in the upper right.

:
The Main Semeai continues.

Black plays 2/2 reductions.

Capture Variation:

Compared to the superordinate variation ...

• In the upper left corner, Black got an additional four White stones, but had to occupy four points of his own territory, so the net effect is zero.
• At the top, one point of White's territory switched place, so the net effect is zero, too.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation ...

• In the upper left corner, Black got an additional four White stones, but had to occupy four points of his own territory, so the net effect is zero.
• At the top, one point of White's territory switched place, so the net effect is zero, too.

In total, gains and losses compensate for each other.

Black + 2 => Black + 2