[Computer-go] How well does pure monte carlo play?
3-Hirn-Verlag at gmx.de
Mon Feb 13 11:56:57 PST 2012
very interesting results.
I think, so far pureMcUct played only a few hundred rated games on KGS
Can you keep it running, to get even more stable results from more
than 1,000 rated games?
>From how many games are your ratings on CGOS?
Having intransitivities between ratings on different servers is normal.
However, the discrepancy for pureMcUct is really amazing.
A question of sports: Could you design (in some fair way) a version
of Aya where the discrepancy between CGOS- and KGS-performance is larger
than 10 levels (or 1,000 rating points)?
-------- Original-Nachricht --------
> Datum: Tue, 14 Feb 2012 01:30:12 +0900
> Von: "Hiroshi Yamashita" <yss at bd.mbn.or.jp>
> An: computer-go at dvandva.org
> Betreff: Re: [Computer-go] How well does pure monte carlo play?
> I tried pure MC + UCT + RAVE 10000 playouts on KGS.
> It got 15k. (name is pureMcUct, but it uses Rave.)
> Program playouts KGS CGOS(19x19) CGOS(9x9)
> GNU Go classic 6k 1800 1800
> AyaMC 600 6k 1741 1992
> AyaBot classic 8k 1522 1750
> pureMcUctRave 10000 15k 1380 1595
> pureMcUct 10000 1081 1389
> AyaMC is my MC program.
> AyaBot is my old non-MC program.
> pureMcUctRave is pure MC + UCT + RAVE.
> pureMcUct is pure MC + UCT.
> I was surprised there is big difference KGS rank and CGOS 19x19 rating.
> AyaBot and pureMcUctRave's Elo difference is only 142(1522-1380), but
> KGS rank difference is 7 rank (15k-8k).
> Hiroshi Yamashita
> ----- Original Message -----
> From: "Matthew Woodcraft" <matthew at woodcraft.me.uk>
> To: <computer-go at dvandva.org>
> Sent: Sunday, January 22, 2012 9:45 AM
> Subject: Re: [Computer-go] How well does pure monte carlo play?
> > Hiroshi Yamashita wrote:
> >> If CGOS rank is right, myCtest-10k-UCT is around 8k on KGS.
> >> But I think pure MC+UCT is not so strong.
> >> CGOS 19x19 population is few, so it is not reliable.
> >> For example, RandomGo's rate 505 is maybe overrated.
> > Ah, yes. Looking at the cross-table for myCtest-10k-UCT, it has 104/104
> > against myCtest-10k, 0/144 against Gnugo level 8ish, and 3/34 against
> > intermediate opponents.
> > I don't think there's enough information for any kind of ranking there.
> > -M-
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