: ( 58ce)
Black defends in the left centre.

:
White continues the further reduction of Black's territory in the lower left corner.

:
Black has to add a defensive move - sooner or later.

If he did without, and occupied White's liberties there with and , White's placement at would threaten a double snap-back at or .

:
The Main Semeai continues.

Black plays 4/4 reductions.

Capture Variation:

Compared to the superordinate variation, ...

• White's cumulated gain in the lower left corner is two points.
• Black destroyed two points of White's territory in the upper right.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation, ...

• White's cumulated gain in the lower left corner is two points.
• Black captured two White stones more in the lower left corner, so gaining four points.
• White captured two Black stones more in the upper right, so gaining two points.

In total, gains and losses compensate for each other.

White + 2 => White + 2