: ( 58dy)
Black captures White's stone in the right centre.

:
White plays her forcing move in the lower left corner.

: (138 58ea)
Black must connect at the bottom.

Black must not play KataGo's solid connection in the left centre, instead. If he did, he would lose one point overall.

:
White attaches in the left centre, on order to destroy Black's potential eye above.

Black plays 2/2 reductions.

Before the end of the game, Black will have to capture at in the lower left corner.

Capture Variation:

Compared to the superordinate variation, ...

• White destroyed one point of Black's territory in the left centre.
• White destroyed two points of Black's territory in the lower left corner.
• Black captured White's single stone in the right centre, so gaining two points.
• Black destroyed one point of White's territory in the right centre.

In total, gains and losses compensate for each other.

White + 1 => White + 1

Semeai Variation:

Compared to the superordinate variation, ...

• White destroyed one point of Black's territory in the left centre.
• White destroyed two points of Black's territory in the lower left corner.
• Black captured one White stone more in the lower left corner, so gaining two points.
• White captured one Black stone more in the upper right, so gaining two points.
• Black destroyed one point of White's territory in the upper right corner.

In total, Black lost two points.

Black + 3 => Black + 1