or i suppose more simply: two hard kos with plenty of threats. s.
On Sat, Jan 14, 2012 at 1:38 PM, steve uurtamo <[email protected]> wrote: > there's a great thing to exploit: the exploration factor explodes > because of the options. > > same reason (i'm guessing) that two or three interrelated semeais can > lead to exploratory disaster -- too much to deal with. > > s. > > On Sat, Jan 14, 2012 at 1:35 PM, David Fotland <[email protected]> > wrote: >> 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 _______________________________________________ Computer-go mailing list [email protected] http://dvandva.org/cgi-bin/mailman/listinfo/computer-go
