: ( 2032a)
White's mistaken atari loses one tempo in the Main Semeai.

:
Black plays Joachim's Hiki at the upper edge, which now is the largest endgame move at the left side of the board.

Please note that Black did not connect his pivotal hasami-tsuke stone with a move at , but lost one tempo in the Main Semeai, instead. White will now be able to capture both hasami-tsuke stones in the upper right.

:
White's kikashi weakens Black's shape in the left centre.

:
KataGo likes this submarine attack inside Black's upper left corner.

:
It is best for Black to connect immediately.

:
KataGo likes to settle the shape in White's upper right corner early.

:
Black is forced to follow White with the Main Semeai.

:
KataGo does not mind the (technically correct) order of liberty-occupying moves in the Main Semeai.

:
White sacrifices one stone for reducing Black's territory in the upper left corner, as well as for consolidation her own shape at the top.

:
Playing tenuki for defending Black's lower left corner is best now.

:
White continues with the reduction of Black's corner territory in the upper left in return.

:
Sooner or later, White will play the remaining kikashi in the left centre.

:
The Main Semeai continues.

Black must not play any reduction.

After her decision point, White will connect her single stone at the upper edge with a move at . Black will connect at in the left centre in return.

Capture Variation:

Compared to the superordinate variation, ...

• Black's cumulated gain in the upper left corner is four points.
• Black's cumulated gain at the top is one point.
• White's cumulated gain in the upper right corner is six points.
• Black's cumulated gain in the lower left corner is five points.

In total, White lost four points.

White + 2 => Black + 2

Capture Variation:

Compared to the superordinate variation, ...

• Black's cumulated gain in the upper left corner is four points.
• Black's cumulated gain at the top is one point.
• In the upper right corner, White got an additional two points of territory, but captured two Black stones less, so her net loss is two points.
• Black's cumulated gain in the lower left corner is five points.
• Black captured one White stone less at the left edge, so losing two points.

In total, White lost ten points.

Black + 1 => Black + 11

2032a