: ( 648gw)
Black connects in the left centre.

:
White connects, occupying the point that Black just disdained.

She would lose two points overall, if she continued with , creating some territory in the centre.

:
It is best for Black to destroy White's potential territory in the centre.

:
Black is able to connect.

Black plays 1/1 reduction.

Capture Variation:

Compared to the superordinate variation ...

--Black did not destroy one point of White's territory at the upper edge.
• White did not get any territory in the left centre, so losing three points.
• Black did not capture White's two stones in the lower left, so losing three points.

In total, Black lost one point.

White + 2 => White + 3

Semeai Variation:

Compared to the superordinate variation ...

--Black did not destroy one point of White's territory at the upper edge.
• White did not get any territory in the left centre, so losing three points.
• Black captured two White stones more in the lower left, so gaining three points.

In total, Black gained five points.

White + 2 => Black + 3