: ( 58bb)
White pushes upwards, destroying Black's potential eye above.

:
Black is forced to connect, also giving atari at White's two stones.

:
White connects, giving atari at Black's single stone below.

: ( A 58da)
Black's connection in the left centre was my first idea.

However, playing the large descent to at the upper edge would be better, discarding his stone in atari. Even if White captured this stone, she would not get more than the two points of territory, which she could establish in the left centre anyway.

:
Alternatively, Black could also connect at .

Black must not play any reduction.

After her decision point, White will hane at , forcing Black to connect at before the end of the game.

Capture Variation:

Compared to the superordinate variation, ...

• White destroyed one point of Black's territory in the left centre.
• Black did not capture White's stone in that area, so losing two points.
• Black captured White's single stone in the right centre, so gaining two points.

In total, White gained one point.

White + 1 => White + 2

Semeai Variation:

Compared to the superordinate variation, ...

• White destroyed one point of Black's territory in the left centre.
• Black did not capture White's stone in that area, so losing two points.
• White destroyed one point of Black's territory in the left centre.
• Black did not capture White's stone in that area, so losing two points.

In total, White gained three points.

Black + 7 => Black + 4