: ( 1868)
White secures two eyes for her bottom group.

We inserted this move manually.

Ko: ; ; ; ;

:
Black continues with the ko-fight in the upper left corner.

:
White occupies an outside liberty of Black's corner group.

Ko: ;

: ( A 1878)
KataGo likes this move in the hanezeki, which reduces the number of shared liberties in the corner from two to only one.

However, such a move usually is a mistake that loses one point overall, as it is here. Correct play of White thereafter provided, but which is not self-evident here in this line.

: ( B 1879)
White captures the tail too early.

This is a mistake that might be a relic of KataGo's initial area scoring days, when additional prisoners (here in the nakade) did not matter.

:
Black recaptures, of course.

Ko:

:
White continues with the ko-fight in the upper left corner.

Ko:

:
White occupies Black's last outside liberty.

:
Black connects his single stone at the upper edge.

:
Black connects the ko in the upper left corner, which is a seki now.

:
The endgame continues.

Ko:

...

Capture Variation:

Compared to the superordinate variation, ...

• White did not capture one Black stone in the upper left corner, so losing one point.
• White captured one Black stone in the upper right corner, so gaining one point.
• White destroyed one point of Black's territory at the right edge.
• White's cumulated gain in the lower left corner is two points.
• White lost one point of territory at the lower edge.
• Black's cumulated gain in the lower right corner is five points.

In total, Black gained three points.

White + 1 => Black + 2