: ( 649ae)
Black pushes at the top.

:
White has to block immediately.

Please note that this move occupied the outside liberty of Black's group in that area, largely weakening Black's position in the upper left corner.

: (A 649an ; 126 649ao)
Black plays KataGo's solid connection in the left centre.

KataGo also considered defending Black's cutting points in that area with a move at .

Capturing White's single stone in the upper right with is Joachim's tenuki. We will use this subvariation to analyse KataGo's (current) view on Dany's atekomi and Dany's Ko.

:
White connects in the upper right, so continuing with the Main Semeai.

:
Black is able to capture White's single stone at the upper edge.

:
It is best for White to block immediately.

Letting Black push at would result in a loss of two points in the Semeai Variation.

:
Black is able to connect.

:
The Main Semeai continues.

:
White stops Black from playing at , so creating profit outside the Main Semeai area.

Again, she would be two points worse in the Semeai Variation, if she allowed Black to take profit outside the Main Semeai area.

:
Black has to connect, pre-empting at White move at the same point that would destroy his territory in the left centre in sente.

Black plays 1/1 reduction.

Capture Variation:

Compared to the super²ordinate variation ...

• White got an additional point of territory at the upper edge.
• Black destroyed one point of White's territory at the top.
• Black got one point of territory less in the left centre.
• Black destroyed one point of White's territory in the right centre.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the super²ordinate variation ...

• White got an additional point of territory at the upper edge.
• Black destroyed one point of White's territory at the top.
• Black got one point of territory less in the left centre.
• White captured an additional Black stone in the right centre, so gaining one point.

In total, Black lost two points.

Black + 6 => Black + 4