On Thu, Dec 30, 2010 at 10:26:49AM +0000, Robert Finking wrote:
> Hi David,
>
> Many thanks for sharing this info with us. I am not a strong Go
> player and have a question which I suspect many people on this list
> could answer:
>
> On 30/12/2010 08:09, David Fotland wrote:
> >...
> >hand tuned. There are rules for not filling eyes, not making self Atari
> >(unless it is a good self Atari), and avoiding other kinds of bad moves.
> When is self atari a good move?
E.g. when you are filling dead eyespace:
| . O O O .
| X X X X O
| O O . X O
| O a O X .
+----------
a is selfatari, but good idea for w to play.
Another examples of interesting selfataris may be one-stone throw-ins to
falsify eyes or setting up snapbacks.
See also
http://repo.or.cz/w/pachi.git/blob/HEAD:/tactics/selfatari.c
as an example of rather complex code to evaluate selfataris. The code
itself is probably not very legible, but the comments contain a lot of
examples.
--
Petr "Pasky" Baudis
Computer science education cannot make an expert programmer any more
than studying brushes and pigment can make an expert painter. --esr
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