Xuanxuan Qijing Problem 207 / Attempts

[Diagram]

White to play

[Diagram]

White to play - II

Tapir: If Black tries to defend, the whole group dies after a. But Black can live in the corner (with B2 at b) if he lets White take the marked stones.

[Diagram]

Not the solution

fractic: W1 does not kill. B2 at a would lead to a double snapback with W3 at B2. Just B2 lives though. However I think you were quite close

[Diagram]

Tesuji!

fractic: W5 is tesuji.

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continuation 1 (B5 at W2)

fractic: This way the double snapback works.

[Diagram]

continuation 2

fractic: If black avoids the double snapback he gets caught in a shortage of liberties.


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