: ( 648bs)
White connects her two stones in the lower left that were in atari.

Please note that White lost two Main Semeai Liberties by this move.

:
Black defends his lower left corner, while continuing with the Main Semeai.

:
White plays her kikashi in the hanezeki.

If she does without, Black will give atari at in the hanezeki, achieving the same final scores - leaving the hanezeki untouched would be a Black mistake.

Black plays 0/2 reductions.

In the Capture Variation, Black will have to connect at before the end of the game.

White will start the Semeai Variation by throwing-in at that point, forcing Black to capture and connect thereafter.

Capture Variation:

Compared to the superordinate variation ...

• Black did not capture White's two stones in the lower left, so losing four points.
• Black got an additional point of territory in the hanezeki.

In total, White gained three points.

Black + 3 => Jigo

Semeai Variation:

Compared to the superordinate variation ...

• Black captured an additional White stone in the lower left, so gaining two points.

White lost two points.

White + 2 => Jigo