[computer-go] Positions illustrative of computer stupidity ?

[Rémi Coulom]

alain Baeckeroot wrote:
> Le mercredi 22 novembre 2006 20:44, Rémi Coulom a écrit :
>   
>> Hi,
>>     
> Hi Rémi
>   
>> I am in search of Go positions that are easy to understand for humans, 
>> and difficult for computers.
>>
>>     
> One incredibly simple example for human, where GNU Go horribly fails.
> The only move is tengen (center of the board).
>
> I don't know if its a simple bug, or a more difficult evaluation problem.
> It happens even if all databases are disabled (fuseki and joseki).
>
> Thanks to Aloril, who tell it to Min-u Kang (my go teacher :)
>
> Cheers.
> Alain.
Thanks Alain. Again, this position is very easy for Monte-Carlo 
programs. Even on 19x19, Crazy-Stone finds tengen rapidly (in about 30s 
with a single thread on a 3.4GHz PIV, but this varies a lot depending on 
randomness).

Rémi