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White blocks at the top, preventing Black's sente push at this point.

:
Black connects in the lower left corner, pre-empting White's throw-in there.

:
White has to connect her single stone at the top.

Otherwise, Black will capture there, and connect.

Black plays 3/4 reductions.

Please assume Black's second kikashi in the hanezeki (, ) played before.

Capture Variation:

Compared to the superordinate variation ...

• White's cumulated gain at the upper edge is two points.
• Black destroyed one point of White's territory in the upper right corner.
• White did not capture Black's stone in the lower right, so losing two points.

In total, White lost one point.

White + 2 => White + 1

Semeai Variation:

Compared to the superordinate variation ...

• White's cumulated gain at the upper edge is two points.
• White captured an additional Black stone in the upper right corner, so gaining one point.
• White captured an additional Black stone in the lower right, so gaining two points.

In total, White gained five points.

Black + 4 => White + 1