: ( 649ao)
White attaches in the centre of three stones.

:
Black connects solidly below.

Alternatively, he could also play the wedge at , resulting in an eye in the left centre above.

:
Black defends his territory in the lower left corner.

:
White's wedge is one option for reducing Black's territory in the left centre.

:
White connects her single stone at the upper edge.

Alternatively, she might secure some points of territory in the left centre with , whereafter Black would capture at . The final scores of the game would remain unaffected.

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

:
The Main Semeai continues.

Black plays 2/2 reductions.

Capture Variation:

Compared to the superordinate variation ...

• Black did not capture White's single stone at the upper edge, so losing one point.
• White got an additional two points of territory at the upper edge.
• White did not get any territory in the left centre, so losing two points.
• Black got an additional two points of territory in the lower left corner.

In total, White lost one point.

White + 2 => White + 1

Semeai Variation:

Compared to the superordinate variation ...

• Black did not capture White's single stone at the upper edge, so losing one point.
• White got an additional two points of territory at the upper edge.
• White did not get any territory in the left centre, so losing two points.
• Black got an additional two points of territory in the lower left corner.
• Black captured one White stone less in the lower left corner, so losing two points.

In total, White gained one point.

Jigo => White +1