: ( 222bb)
White connects her two stones in the lower left.

:
White lost two tempi in the Main Semeai by her previous connection, so Black is able to push twice in the guzumi area in the upper left corner.

:
White blocks immediately.

She could simplify the issue by connecting at immediately.

:
In order to simplify the presentation, we continue with the Main Semeai here.

As a matter of course, Black could also start the ko at right with .

You will find an explanation of the succeeding ko fight 222aw.

:
White has to connect the ko - sooner or later.

White lost three points of territory in this area, but Black only one tempo in the Main Semeai. The net gain of Black's manoeuvre is two points.

:
The Main Semeai continues.

Black plays 1/1 reduction.

Capture Variation:

Compared to the superordinate variation ...

• Black destroyed an additional four points of White territory in the upper right corner.
• Black did not capture White's two stones in the lower left, so losing four points.

In total, gains and losses compensate for each other.

Jigo => Jigo

Semeai Variation:

Compared to the superordinate variation ...

• Black destroyed an additional three points of White territory in the upper right corner.
• White captured an additional three Black stones in that area, so gaining five points.
• Black captured an additional White stone in the lower left, so gaining two points.

In total, gains and losses compensate for each other.

Black + 3 => Black + 3