Xuanxuan Qijing Problem 265 / Solution

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Solution

Absurd looking W7!! is a necessary sacrifice to have the B8 stone in place.

[Diagram]

Continued B14 at black+triangle, B18 at B16

Ko at W11 is the answer. Because B12 allows White to connect to the corner, getting another eye.

[Diagram]

Reference: After W15 above

Note that the connection to the corner is only possible with the black+circle stone. If not for it, B16 at a kills.

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Variation

B6 here ends in seki.

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White Failure

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Continued

White can't make two eyes in the center alone.


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