: ( 648oy)
White recaptures at the upper edge.

: (A 648pa)
White continues with the Main Semeai.

Connecting at , instead, will be even worse for her.

Black plays 2/2 reductions.

Black must capture at before approaching White's group in the lower left corner.

White will connect at after her decision point.

Capture Variation:

Compared to the superordinate variation ...

• Black did not destroy one point of White's territory in the upper right corner, so losing one point.
• 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 captured one Black stone less in the upper right, so losing one point.
• White captured an additional Black stone in the lower right, so gaining two points.

In total, White gained one point.

Black + 2 => Black + 1