: ( 222jt)
Black descends to the upper edge, taking profit outside the Main Semeai area.

:
In order to simplify the following presentation, we let White capture the nakade.

:
Black starts with occupying White's liberties in the left centre.

:
White gives atari at Black's stones above.

She might also wait with this move until after her decision point.

:
White secures two points of territory in the left centre.

:
White's previous move lost one tempo in the Main Semeai, so Black is able to further reduce White's territory at the upper edge.

Black must not play any reduction.

Capture Variation:

Compared to the superordinate variation ...

• Black got an additional two points of territory in the upper left corner.
• Black destroyed one point of White's territory at the upper edge.
• White destroyed Black's territory in the left centre, so gaining one point.
• White got an additional two points of territory in the left centre.

In total, gains and losses compensate for each other.

White + 4 => White + 4

Semeai Variation:

Compared to the superordinate variation ...

• Black got an additional two points of territory in the upper left corner.
• Black destroyed one point of White's territory at the upper edge.
• White destroyed Black's territory in the left centre, so gaining one point.
• White got an additional two points of territory in the left centre.

In total, gains and losses compensate for each other.

Black + 1 => Black + 1