: ( 548k)
White chooses the "classical" line of play.

:
Black forces at the top, ...

:
... before saving his three points of potential territory in the left centre.

:
If White does not connect, Black will capture at the same point later.

, :
Black is able to destroy three points of potential White territory at the right.

Capture Variation:

Compared to the superordinate variation, ...

• Black gained three points of territory in the left centre.
• Black did not capture White's wedging stone, so losing one point.
• Black did not capture White's single stone at the top right, so losing two points.

In total, gains and losses compensate for each other.

White + 1 => White + 1

Semeai Variation:

Compared to the superordinate variation, ...

• Black gained three points of territory in the left centre.
• Black did not capture White's wedging stone, so losing one point.
• Black did not capture White's bad-shape stone at the left, so losing two points.
• White lost one point of territory at the right.

In total, White lost one point.

White + 1 => Jigo