: ( 58dz)
Black defends in the left centre.

:
White throws-in at the bottom.

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Black is forced to secure a second eye for his left-hand group.

:
Sooner or later, Black will have to capture White's two stones.

Otherwise, he will be unable to approach White's group at the left.

Black must not play any reduction.

:
White will start the endgame sequence shown after her decision point.

Capture Variation:

Compared to the superordinate variation, ...

• Black got an additional point of territory in the left centre.
• White captured Black's stone in the lower right, so gaining two points.

In total, Black lost one point.

White + 1 => White + 2

Semeai Variation:

Compared to the superordinate variation, ...

• Black got an additional point of territory in the left centre.
• White captures one Black stone less in the lower right, so losing two points.

In total, Black gained three points.

Black + 1 => Black + 4