Gokyo Shumyo, Section 1, Problem 82 / Solution

Main line

[Diagram]

Main line

Variation [1] discusses B8 @ B10.

[Diagram]

Continuation

White 21 @ circled spot is atari. If Black a, White b catches him short of liberties. Variation [2] discusses White 11.


Variations

[1]

[Diagram]

Variation 1

If Black 8 at B1 here, W2 makes life with a potential bent four, which Black cannot spoil with an atari as when there were a stone at a.


[2]

[Diagram]

Variation 2

If White 11 at W1 here, B2 and B4 set up a snapback, denying White her second eye.


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