[computer-go] Suicide question

[Gunnar Farnebäck]

Heikki Levanto wrote:
 > On Wed, Jan 16, 2008 at 04:12:26PM -0500, Don Dailey wrote:
 >> There is no question that there are positions where suicide or eye
 >> filling are correct.
 >
 > I know suicide can be used as a ko-threat, but are there *any* other
 > positions where it would be a correct move?

Yes, but as far as I know only in obscure positions.
http://www.goban.demon.co.uk/go/bestiary/rule_challenge.html is
mandatory reading.

 > If not, then it makes sense to forbid that in a random playout, since 
it is
 > "just" a forcing move, and the (equally) random opponent is quite 
unlikely to
 > answer the right way anyway. So the suicide move may look like a 
better move
 > than it really is.
 >
 >
 > I can not think of any situation where filling a one-point eye would be a
 > correct move (provided that it is a "real" eye and not a "false" one).
 >
 >
 > Can anyone come with concrete examples?

This has been discussed before on this list. See e.g.

http://computer-go.org/pipermail/computer-go/2006-August/006180.html
http://computer-go.org/pipermail/computer-go/2006-August/006203.html

/Gunnar