Walkie Talkie Seven

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[Diagram]

Walkie Talkie Seven

This shape can be turned into a thousand year ko. White has two occasions to turn it into seki. The more outside liberties, the less likely the ko will be played (and thus the more likely White makes it seki in the end).

[Diagram]

Main line

The vital point of this shape obviously is W1. After W3, any move by Black other than a results in death in gote. It is no use for Black to throw in at a either: White will set up the thousand year ko with b, sooner or later.

[Diagram]

Variation

White can also settle for seki.

[Diagram]

Variation at 2

This way the position becomes a direct ko, which is an inferior result for Black. White can finish the ko by filling at W2 - it would be a mistake to play one of the other inside liberties instead.



(Sorry if you think the name is really silly).

(My go club calls this "Truck shape" -JaredBeck)


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This is a copy of the living page "Walkie Talkie Seven" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.
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