[computer-go] Big board. Torus ?

[Matt Gokey]

Stuart A. Yeates wrote:
> On 2/21/07, alain Baeckeroot <alain.baeckeroot at laposte.net> wrote:
>> Le mercredi 21 février 2007 02:10, Antonin Lucas a écrit:
>>> No need for those difficulties,  you can play along this board :
>>> 
>>> http://www.youdzone.com/go.html
>> 
>> I think this is not a torus, even if each vertice has 4 neighbours.
>>  I can easily mentally transform this into a cylinder, with an
>> rectangular lattice and additional connection on the borders to
>> have 4 neighbours.
> 
> I agree
> 
> If this were a torus, there would be links between the inner ring and
>  the outer ring of vertexes.
Whether it is a torus or not is irrelevant.  The only thing that matters
from a go game play perspective is the graph topology.  If all points
have 4 neighbors the actual physical shape or layout doesn't matter.