Xuanxuan Qijing Problem 2 / Solution

[Diagram]

The clamp of B1 is the solution. The strongest resistance black can try is a; b creates too many cutting points.

[Diagram]

(W6 at black+circle)

After W6, white has a or b.

[Diagram]

Therefore, Black tries B1 here. The sequence to W5 follows.

[Diagram]

Next white tries to capture the three black stones. Notice W7 is threatening to play at B8 and make life with a. Were White to play at B8, she would have miai of playing at a and capturing the two marked Black stones. Black destroys White's eye with B8. After W9, Black can't escape.


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