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Locketts Law
   

[Diagram]
Diag.: Black to play

How far should Black extend?


Bud Lockett was a 4 kyu in New Mexico who formulated Lockett's Law for extensions: "Always extend an even number of spaces. Then your opponent will not know where to invade."


[Diagram]
Diag.: Lockett's Law applied

When Black extends to 1, should White invade at a, or b? Is a puzzlement!


[Diagram]
Diag.: Lockett's Law ignored

But if Black extends to 1 in this diagram, W 2 is an obvious invasion point.


-- BillSpight ;-)



This is a copy of the living page "Locketts Law" at Sensei's Library.
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