BlindSpot/Problem 4 Solution

Sub-page of BlindSpot

Solution

[Diagram]

Solution

Chaz: Plays at a, b, c, and possibly d are the obvious places to play, but W1 is the only solution that kills unconditionally. After W1, a and c are miai for the kill, along with b and d.


Failures

[Diagram]

Ko (B6 at black+circle)

W1 here is probably the best failure. If not for Black's two liberties he would not be able to create double atari with B4.

[Diagram]

Ko (captured W1 removed)

White now has to win a ko, which is suboptimal given she can kill unconditionally.

[Diagram]

Ko again (B6 at black+circle)

W1 here achieves the same result.

[Diagram]

Failure

After B2, a and b are miai for life.

[Diagram]

Failure


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(OC) 2014 the Authors, published under the OpenContent License V1.0.
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