If we do this, I'll connect Many Faces 11, and the experimental version. MFGO 11 is mainly a local searcher. It uses knowledge to select about 20 moves to try, and does a 1 ply search with quiescence. The quiescence search includes moves from a joseki database, and a small move tree from a pattern database. Before the 1 ply search it does life and death search (using a best-first algorithm), so the result of life and death searches goes into the 1 ply move selection. The evaluation function includes local tactical search for eyes, connections, and strings with 4 or fewer liberties.
The experimental version is a global alpha-beta searcher. Many Faces is much stronger than Mogo at life and death, but since it is knowledge-based, it's brittle, so when the position is simple enough for Mogo to look at everything, Mogo will likely find some better moves. David > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Rémi Coulom > Sent: Thursday, October 11, 2007 11:02 AM > To: computer-go > Subject: Re: [computer-go] best approach forward > > > Don Dailey wrote: > > > I believe Many Faces is probably stronger than Mogo but I > don't know > > that this has been proven. > > Hi Don, > > I'd bet on Mogo. In case nobody noticed, Crazy Stone won a > match against > KCC Igo this summer, with 15 wins and 4 losses. The match was > organized > by Hiroshi Yamashita. The games can be found in the KGS > archives. > http://www.gokgs.com/gameArchives.jsp?user=kccongui&year=2007&month=7 > > If I remember correctly, Many Faces is a global searcher. > Maybe KCC is > too. It seems to me that global searchers have a lot of difficulty > against Monte-Carlo search. That is the impression I got when > watching > Crazy Stone play against the experimental version of Many Faces. The > real Many Faces would have to be tremendously stronger in > order to have > a chance against Mogo or Crazy Stone. > > I'd connect Crazy Stone to CGOS if Many Faces is there. > > Rémi > _______________________________________________ > computer-go mailing list > computer-go@computer-go.org > http://www.computer-go.org/mailman/listinfo/computer-go/ > _______________________________________________ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/
