: ( 648aa)
White plays the central attachment in the left centre.

:
This move creates an approach-move liberty () for White's left-hand group. Therefore, it does not lose a tempo in the Main Semeai (contrary to Black's move ).

:
Black is bound to follow the Main Semeai.

: (A 648od; B 648oe)
White connects her single stone at the upper edge.

She might consider blocking at , or making territory in the centre with , instead, achieving the same final scores.

:
Black destroys White's potential territory in the centre.

Black plays 2/2 reductions.

Please assume the rejection of Dany's Sacrifice and Black's second kikashi in the hanezeki (, ) played before.

Capture Variation:

Compared to the superordinate variation ...

• White's cumulated gain at the upper edge is two points.
• Black did not get one point of territory in the left centre.
• Black's territorial gain in the lower left corner is two points.
• White did not capture Black's stone in the lower right, so losing two points.

In total, White lost one point.

White + 2 => White + 1

Semeai Variation:

Compared to the superordinate variation ...

• White's cumulated gain at the upper edge is two points.
• Black did not get one point of territory in the left centre.
• Black's territorial gain in the lower left corner is two points.
• White captured an additional Black stone in the lower right, so gaining two points.

In total, White gained five points.

Black + 4 => White + 1