GokyoSeimyoVolume3Problem121/Solution

[Diagram]

Solution

[Diagram]

continued (B6 at W1)

End in a snapback. So Black can't connect at B4; White connects to the corner.

[Diagram]

Variation at B6

B2 (instead of B6 in the first diagram) leads to the following ko, under the assumption White can't escape to the left.

[Diagram]

Continued

... which is too risky and not advisable in practice. White takes first and has some local ko threats.(This is not an approach ko; Black connect at a wins.)


[Diagram]

Wrong order

The original solution shows a different order of play, W1 here first. But it fails to B2.

[Diagram]

continued

After B2, Black wins the capturing race.


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