I had the same problem with Many Faces until recently, and I think Aja fixed it in Erica also. The symptom is pretty clear: an important ko appears and the program starts playing ko threats rather than starting the ko.
David > -----Original Message----- > From: [email protected] [mailto:computer-go- > [email protected]] On Behalf Of steve uurtamo > Sent: Saturday, January 14, 2012 1:27 PM > To: [email protected] > Subject: Re: [Computer-go] John is Tromp in Game 1 > > i'd be surprised if the ko threats had more utility for mcts than as > potential chances for winning due to mistake. i.e. if you have 50 ko > threats, they all look like (especially after digging into the tree) > ways to win due to mistake. > > s. > > On Sat, Jan 14, 2012 at 1:24 PM, David Fotland <[email protected]> > wrote: > > Around move 121, it looks like Zen has the common MCTS problem that it > plays the ko threats before starting the ko. �Ko threats are essential for > wining, so RAVE gives them very high biases. > > > > David > > > >> -----Original Message----- > >> From: [email protected] [mailto:computer-go- > >> [email protected]] On Behalf Of "Ingo Alth�fer" > >> Sent: Saturday, January 14, 2012 12:16 AM > >> To: [email protected] > >> Subject: [Computer-go] John is Tromp in Game 1 > >> > >> Hello, > >> John Tromp got the white stones and his been winning > >> game 1 of the slow-time match aagainst Zen on KGS. > >> > >> The sgf, including chat, you can download here: > >> www.althofer.de/tromp-zen-01.sgf > >> > >> I let ManyFaces run across the game and got the following two figures. > >> Monte-Carlo percents: > >> http://www.althofer.de/tromp-zen-01-percents.jpg > >> Expected Territory: > >> http://www.althofer.de/tromp-zen-01-territory.jpg > >> > >> Around move 118-120 experts were still undecided about the possible > outcome. > >> According to ManyFaces, the game may have turned to John's favour around > >> move 130. At move 146 Hideki said that Zen had still 37 % "self- > confidence". > >> > >> Ingo. > >> > >> -- > >> NEU: FreePhone - 0ct/min Handyspartarif mit Geld-zur?ck-Garantie! > >> Jetzt informieren: http://www.gmx.net/de/go/freephone > >> _______________________________________________ > >> Computer-go mailing list > >> [email protected] > >> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go > > > > _______________________________________________ > > Computer-go mailing list > > [email protected] > > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go > _______________________________________________ > Computer-go mailing list > [email protected] > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go _______________________________________________ Computer-go mailing list [email protected] http://dvandva.org/cgi-bin/mailman/listinfo/computer-go
