[gnugo-devel] Re: [computer-go] Strange games on CGOS

[Don Dailey]

CGOS uses positional superko.

if 97. B A5  is played,  the board configuration would match
the position immediately after 89. B H5 was played.

- Don




On Sun, 2006-10-22 at 03:48 +0200, Heiner Spies wrote:
> Hi all,
> 
> who would be so kind as to tell me what's wrong
> with the attempted moves of gg_mirror at the end
> of the attached files? They have been judged loss
> due to illegal moves and contain this comment:
> 
> black player error - KO attempted   move: A5  // resp. G5 //
> 
> Is that some superko rule striking? But which one?
> 
> Game 334565 indeed has several KOs in it.
> Is there a go rule vetoing making another one?
> Game 334634 to me seems more like a server error.
> 
> gg_mirror basically is "gnugo --mirror", playing
> mirror moves if possible, gnugo's best moves otherwise.
> 
> happy GO - ing
> Heiner
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