: ( 648aa)
Black plays KataGo's solid connection.

: (A 648gp; B 648gq)
White pushes from above.

She might also play the wedge at , achieving the same finals scores.

White takes herself a Main Semeai Liberty, so it might be technically better to do without this push in the left centre, and to play the connection of in the top right immediately. Again, the final scores would remain unaffected.

: (123 648gr; 125 648gs)
White's connection saves her single stone in the upper right, and is the largest point now.

Neither blocking at , nor connecting at at the upper edge, are correct.

: (125 648gt)
Black plays his forcing move at the upper edge first.

He might also capture at , instead, achieving the same final scores.

:
Black captures White's single stone at the upper edge.

This move (and the later connection) is possible, only because White lost one Main Semeai Liberty by her push in the left centre, enabling Black to do the same here.

:
Black is able to connect.

Black plays 2/2 reductions.

Please assume the rejection of Dany's Sacrifice (, ) played before.

Capture Variation:

Compared to the superordinate variation ...

• Black's cumulative gain in the lower left corner is two points.
• Black did not capture one White stone in the left centre, so losing one point.
• White got one additional point of territory in the right centre.
• Black connected his single stone in the lower right, but did not capture White's single stone in the upper right, so the net effect is zero.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation ...

• Black's cumulative gain in the lower left corner is two points.
• Black did not capture one White stone in the left centre, so losing one point.
• White lost one point of territory in the upper right corner.
• White captured an additional Black stone in the lower right, instead of one in the right centre, so the net effect is zero.
• Black captured an additional White stone in the left centre, instead of one in the lower left corner, so the net effect is zero.

In total, gains and losses compensate for each other.

Black + 4 => Black + 4