[Computer-go] New Crazystone - when again?

David Fotland fotland at smart-games.com
Mon Apr 25 22:50:55 PDT 2011


Many Faces only looks at those two moves, with 92% win rate.  The old engine
does local reading and knows that those moves work.

David

> -----Original Message-----
> From: computer-go-bounces at dvandva.org [mailto:computer-go-
> bounces at dvandva.org] On Behalf Of Rémi Coulom
> Sent: Monday, April 25, 2011 9:53 AM
> To: computer-go at dvandva.org
> Subject: Re: [Computer-go] New Crazystone - when again?
> 
> I also believe it resigned in a lost position. The mistake was S14. It
> should have played J12 or M12 instead, which should lead to a win.
> 
> Rémi
> 
> On 25 avr. 2011, at 18:48, David Fotland wrote:
> 
> > Many Faces takes the ko, but with only 24% win rate.  It expects the
> ko threat at F10, which can’t be ignored.
> >
> > David
> >
> > From: computer-go-bounces at dvandva.org [mailto:computer-go-
> bounces at dvandva.org] On Behalf Of terry mcintyre
> > Sent: Monday, April 25, 2011 9:39 AM
> > To: computer-go at dvandva.org
> > Subject: Re: [Computer-go] New Crazystone - when again?
> >
> >
> > From: Rémi Coulom <Remi.Coulom at free.fr>
> >
> > > There is at least one huge blunder at the end of that game:
> > > http://files.gokgs.com/games/2011/4/23/bonobot-ishidasaki-2.sgf
> >
> > Yes, this is the one where bonobot resigned in (I believe) a clearly
> won position. Take the ko, ignore one threat, play M12, ignore a 2nd
> "free move", play L10 and take the L9 stones, finally respond to
> black's two free moves, and I believe bonobot was still clearly ahead.
> Dan-level players seemed to be of the same opinion. In any event, it
> was certainly playable, not the best time to resign.
> >
> > I'd be interested if dan-level players read something different; I'm
> not in that league.
> >
> > In any case, it looks like a great program! I wish you every success
> in repairing these flaws and making still more progress.
> >
> > I'm also interested in seeing how well bonobot does with longer time
> settings.
> >
> > Regards,
> >
> > Terry McIntyre
> >
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