RTG Problem 13 / Solution

Sub-page of RTGProblem13

Solution

[Diagram]

Solution

The key is the descent at W1.

[Diagram]

Main line

If B2, the sequence of W3 to W9 is a fairly standard way of killing. Black dies of a bulky five.

[Diagram]

Variation

W2 tries to expand the eyespace but W3 onwards kill.

[Diagram]

Variation

If W2 makes a diagonal move, W3 can squeeze. B4 does not work here because W5 and W7 can turn the other eye into a false eye.



Failure

[Diagram]

Failure

This is a seki.

[Diagram]

Failure

This lives too. But B6 is an important move.

[Diagram]

Failure

The jump of W1 is too fanciful. B10 captures and lives.


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(OC) 2011 the Authors, published under the OpenContent License V1.0.
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