: ( 222ee)
Black closes his cutting point, erasing his weakness at the left.

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However, White exploits another weakness at the top by giving atari there.

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Black has no other choice but to capture White's single stone.

If he connected at , instead, the entire corner might become a seki.

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White continues in the corner.

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Black's only move.

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White sets the scene for a ko shape at the top.

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Black connects, as he will be unable to win a ko in this corner.

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Black immobilises White's three stones at the top, so securing independent life for his upper left corner.

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White starts the endgame at the left side "early".

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Black connects, as there is no other valuable endgame spot available.

Black must not play any reduction.

Capture Variation:

Compared to the superordinate variation ...

• Black's cumulated gain in the upper left corner is one point.
• White gained an additional three points of territory in the upper right corner.
• White did not capture Black's single stone in the lower left, so losing two points.
• Black did not destroy one point of White's territory in the upper right.

In total, Black lost one point.

White + 3 => White + 4

Semeai Variation:

Compared to the superordinate variation ...

• Black's cumulated loss in the upper left corner is five points.
• White gained an additional three points of territory in the upper right corner.
• White did not capture Black's single stone in the lower left, so losing two points.
• White captured three Black stones less int the upper right, so losing five points.

In total, Black lost one point.

Black + 2 => Black + 1