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

:
White pushes in the left centre.

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White connects her single stone at the upper edge.

:
The Main Semeai continues.

Black plays 4/4 reductions.

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

Capture Variation:

Compared to the superordinate variation ...

• White's cumulated gain at the upper edge is two points.
• In the left centre, Black got one point of territory, but did not capture one White stone, so the net effect is zero.
• Black got an additional point of territory in the upper left corner.
• Black did not destroy two points of White's territory at the top.
• Black connected his stone in the lower right, and destroyed one point of White territory in the centre, for a net gain of three points.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation ...

• White's cumulated gain at the upper edge is two points.
• In the left centre, Black got one point of territory, but did not capture one White stone, so the net effect is zero.
• At the left edge, Black did not capture one White stone, so losing one point.
• In the left centre, Black captured one White stone, so gaining two points.
• White captured two Black stones less at the top, so losing two points.
• In the upper right corner, White lost one point of territory.
• In the lower right, White captured an additional two Black stones, for a cumulated gain of three points.

In total, Black lost one point.

Black + 2 => Black + 1