: ( 58bc)
White attaches in the left centre.

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Black connects above.

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Black secures the second eye for his cut-off centre group.

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White pushes at the left edge.

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Black blocks immediately.

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White's hane at the upper edge is sente.

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Black is forced to add a protective move inside his corner.

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White occupies a decisive liberty of Black's two stones below.

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Sooner or later, Black has to add a protective move in the lower left corner, before approaching White's left-hand group with and .

Black plays 3/3 reductions.

Before the end of the game, Black must defend at in the upper left corner.

Capture Variation:

Compared to the super²ordinate variation, ...

• White's cumulated gain in the upper left corner is one point.
• Black gained one point of territory in the upper left centre.
• Black did not capture a White stone in the left centre, so losing two points.
• White's cumulated gain in the lower left corner is four points.
• Black destroyed one point of White's territory in the upper right corner.
• Black captured White's single stone in the right centre, so gaining two points.
• White did not capture Black's stone in the lower right, so losing two points.

In total, White gained one point.

White + 1 => White + 2

Semeai Variation:

Compared to the super²ordinate variation, ...

• Black's cumulated gain in the upper left corner is one point.
• Black gained one point of territory in the upper left centre.
• Black did not capture a White stone in the left centre, so losing two points.
• Black's cumulated gain in the lower left corner is two points.
• Black captured one White stone less in the left centre, so losing two points.
• White capture one Black stones more in the upper right corner, so gaining one point.
• White captured one Black stone more in the lower right, so gaining two points.

In total, White gained three points.

Black + 7 => Black + 4