: ( 548klp)
Black connects at the lower edge, answering White's forcing move in the corner.

:
Now, White is able to play the central attachement in the left centre, as she intended to do from the very beginning in this line.

:
Black captures White's single stone at the upper edge.

He would lose two points in the Semeai Variation, if he played the atari at in the centre, instead.

:
White secures two points of territory in the left centre.

:
Black destroys another point of White's territory at the upper edge.

:
The Main Semeai continues.

Black plays 2/2 reductions.

Before the end of the game, Black must capture White's two stones in the lower left corner with .

Capture Variation:

Compared to the superordinate variation, ...

• Black destroyed an additional poínt of White's territory at the upper edge.
• Black did not get any territory in the left centre, so losing one point.
• White gained an additional two points of territory in that area.
• White did not capture Black's stone in the lower right, so losing two points.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation...

• Black destroyed an additional poínt of White's territory at the upper edge.
• Black did not get any territory in the left centre, so losing one point.
• White gained an additional two points of territory in that area.
• White captured an additional Black stone in the lower right, so gaining two points.

In total, Black lost four points.

Black + 4 => Jigo