Forum for Notcher Code

is notcher code complete? [#2020]

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arthurmathieu: is notcher code complete? (2009-11-05 13:09) [#6524]
[Diagram]
Notcher 1  
[Diagram]
Notcher 2  
[Diagram]
Notcher 3  
[Diagram]
Notcher 4  

To me it seems only two codes are defined for these four notchers. Apparently nr 2 and nr 4 are not coded. Correct?

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HermanHiddema: Re: is notcher code complete? (2009-11-05 13:27) [#6525]

These are, in order: 311NN, 211NS, 312NN, 212NS. In both diagrams 2 and 4, you've put a square on one stone too many, ie:

[Diagram]
Notcher 2  

should be

[Diagram]
Notcher 2  

this.


The black+cross stone makes that the right side is strong (S) in the code. If it were empty, it would be neutral (N), if it were white it would be weak (W). So this is 211NS

The point marked a is just an outside liberty.

 
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