[computer-go] Former Deep Blue Research working on Go

[Don Dailey]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Andrés,

You are right about null move of course.  The assumption that other
moves are >= to the value of a pass is much stronger in GO than in
Chess, yet ironically it's not as effective in Go.

- - Don


Andrés Domínguez wrote:
> 2007/10/9, Eric Boesch <ericboesch at gmail.com>:
>> On 10/8/07, Tapani Raiko <Tapani.Raiko at tkk.fi> wrote:
>>>> May sound unpolite. But Deep Blue reached a very
>>>> important step in IA. They will be known for ever.
>>>> But, from a research point of view, they didn't much
>>>> really. It was mainly a technological/technical
>>>> achivement.
>>>>
>>> Maybe they will reimplement Mogo, try a null-move tweak, use a
>>> supercomputer, and claim to have the strongest computer Go player ever. :-)
>> Naive null move is unhelpful because throughout much of a go game,
>> almost every move is better than passing,
> 
> I think this is not the point of null move. Null move is "if pass is good enough
> to an alpha cut, then will be a _better_ move". It is not important if
> pass is the
> worse move, is important that there is a better (>=) move than pass (not
> zugzwang). Then you  bet searching not so deep.
> 
> But null nove is not a trick in Go, because pass is always a legal move. There
> isn't zugzwang in Go.
> 
> Andrés
> 
> Sorry my bad english
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> computer-go mailing list
> computer-go at computer-go.org
> http://www.computer-go.org/mailman/listinfo/computer-go/
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iD8DBQFHDDBtDsOllbwnSikRAki9AKDnb8vj/606wCP/AEIZaEbRSXhg+gCfVO+G
3rW+K09cKN25k4Ro4yJJbnc=
=awa+
-----END PGP SIGNATURE-----