: ( 548kf)
Black gives counter-atari at the outside, hoping for an advantageous ko fight.

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As a matter of course, White captures the ko.

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Black connects on the outside, ...

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... while White seeks life in the corner.

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There is no sense in blocking at , instead, so creating another ko shape.

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White must answer Black's ko threat. She cannot live in the corner after connecting the ko with .

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White's first ko threat in the centre.

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Black has this other local ko threat.

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White's second ko threat in the centre.

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Black's third local ko threat.

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White's third ko threat in the centre.

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Black has no non-suicidal ko threats left.

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Here, White simply captures the hanezeki's tail.

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Black must recapture, as usual.

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White has sente to connect the ko. Black has lost his entire top left corner without getting any valuable compensation.

White will win the game by a large margin.