[Computer-go] I need an off-the-shelf final position live/dead evaluator

Nick Wedd nick at maproom.co.uk
Sun Feb 20 11:37:30 PST 2011


In message <3E136399-F401-47D1-8A59-DA14A0D8C1C6 at free.fr>, Rémi Coulom 
<Remi.Coulom at free.fr> writes
>
>On 20 févr. 2011, at 19:53, Nick Wedd wrote:
>
>>>
>>> Crazy Stone is probably wrong, too, because there are some 
>>>complicated things happening around S6. I would say  S6 is dame, not 
>>>S7 and S5. B12 and P1 look like really weird dame, though. So do K15 
>>>and N12. The right-side of the board is complicated, but the rest 
>>>should be obvious for GNU. Unless I am mistaken...
>>
>> Something must be wrong.  There are problems in this position.  But 
>>S6 is not one of them, it is very clearly black territory.  Maybe you 
>>have the wrong SGF files, or they have been rotated?
>>
>> Nick
>
>After Black connects all the false eyes in the top right, and White 
>fills dame, then White could kill by atari at T6. So I believe Black 
>must play S6 to prevent T6, so S6 is dame.

Yes, I see now that you are right.

Many Faces of Go version 11 gets this wrong.  It shows the twelve p13 
stones as dead, but s12 as black territory.

Nick

>I am really having a lot of fun with Japanese rules :-)
>
>Rémi
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-- 
Nick Wedd    nick at maproom.co.uk



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