: ( 648mk)
White captures Black's stone at the third line.

Ko: ; ; ; ;

:
Black still has a third ko threat at the top.

; :
We play White's final ko threat in the upper left corner, instead of at , in the centre, as in the superordinate variation.

:
Black does not have any valid ko threat left that would not cost him points overall.

:
White must connect the ko here.

If White lets the ko open, Black would be able to recapture the ko, and connect thereafter, enhancing his score in the Semeai Variation by two points.

Black plays 2/3 reductions.

Later, White will play her kikashi , in the lower left corner, so that Black must capture at before the end of the game.

Capture Variation:

Compared to the superordinate variation ...

• White gained an additional point of territory at the upper edge.
• Black did not destroy one point of White's territory at the top.
• White did not capture Black's stone in the lower right, so losing two points.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation ...

• White gained an additional point of territory at the upper edge.
• White captured two Black stones less at the top, so losing three points.
• White captured an additional Black stone in the lower right, so gaining two points.

In total, gains and losses compensate for each other.

White + 2 => White + 2