: ( 58dr)
Black connects his stone in the lower left corner.

:
White connects her two stones in the lower left in return, so losing two tempi in the Main Semeai.

: (132 58dz)
Black simply continues at the left.

He would lose two points in the Semeai Variation unnecessarily, if he captured White's single stone in the right centre, instead.

:
White has to give atari at Black's nakade stones.


It threatens , , .

:
Black defends his lower left corner.

:
White connects her single stone in the right centre.

Please note that White's central attachment at in the left centre would not be effective here, due to Black's previous move.

Black plays 2/2 reductions.

Capture Variation:

Compared to the superordinate variation, ...

• White did not capture Black's stone in the lower left corner, so losing two points.
• Black did not capture White's two stones in the lower left, so losing two points.
• 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 + 1 => White + 1

Semeai Variation:

Compared to the superordinate variation, ...

• White did not capture Black's stone in the lower left corner, so losing two points.
• Black captures one White stone more at the left, so gaining two points.
• White captured one Black stone more in the lower right, so gaining two points.

In total, Black gained two points.

Black + 1 => Black + 3