[Computer-go] CrazyStone Western version

David Fotland fotland at smart-games.com
Tue May 31 10:23:22 PDT 2011

I suspect that other strong programs put a higher emphasis on the center
than Many Faces.  The old engine evaluation (which biases the search) tries
to maximize the score, so it is a little territory oriented.  On 13x13, the
center is small, so being territory oriented gives an advantage.


> -----Original Message-----
> From: computer-go-bounces at dvandva.org [mailto:computer-go-
> bounces at dvandva.org] On Behalf Of Aja
> Sent: Monday, May 30, 2011 11:22 PM
> To: computer-go at dvandva.org
> Subject: Re: [Computer-go] CrazyStone Western version
>   Hello Ingo,
> > But there is a Monte-Carlo engine inside.
> > Manually, I played a few test games against ManyFaces 12.022 which is
> > the current commercial version of David Fotland.
> > Giving approximately same times (which is difficult with CrazyStone,
> > see above), CrazyStone seems to have (on "normal" dualcore PC's)
> > the upper hand on 9x9 (1 game) and 19x19 (1 game). On 13x13, ManyFaces
> > seems to be stronger (estimated from the flow of two games).
>   It looks reasonable. ManyFaces was the 13x13 winner in last Olympiad. It
> features moderate joseki playing, which seems to be a very helpful element
> on 13x13.
>  Aja
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