XuanxuanQijingProblem79/Attempts

[Diagram]

White to play

AVAVT: I think W1 is the solution here. Black can consider a or b (Black play anywhere else and White will play a to ruin Black's eye space)

[Diagram]

A variation. W7 at W1

After that are series of sente eye-stealing moves for White, and finally W9 ruins Black's second eye.

The B2 at W3 include too many under-the-stone moves so it's quite hard to demonstrate here. But anyway I think Black's dead after W1


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