middle game playouts are far out of the joseki library, and in any case the joseki library moves are not used in the playouts, only the uct tree.
David > -----Original Message----- > From: [email protected] [mailto:computer-go- > [email protected]] On Behalf Of steve uurtamo > Sent: Sunday, January 08, 2012 8:23 PM > To: [email protected] > Subject: Re: [Computer-go] replacing dynamic komi with a scoring function > > even with the joseki libraries, MCTS prefers center? > > that seems to favor the idea of center actually being good. > > s. > > On Sun, Jan 8, 2012 at 8:13 PM, David Fotland <[email protected]> > wrote: > > Yes. That's why MCTS prefers the center. Sometimes the playouts let an > > invasion work, so corner territory is not evaluated as being as secure as > it > > should be. It seems easier for MCTS to kill groups in the center in the > > playouts. > > > > David > > > >> -----Original Message----- > >> From: [email protected] [mailto:computer-go- > >> [email protected]] On Behalf Of steve uurtamo > >> Sent: Sunday, January 08, 2012 8:03 PM > >> To: [email protected] > >> Subject: Re: [Computer-go] replacing dynamic komi with a scoring function > >> > >> underestimation? > >> > >> s. > >> > >> On Sun, Jan 8, 2012 at 7:30 PM, Yamato <[email protected]> wrote: > >> > (2012/01/09 9:56), Jouni Valkonen wrote: > >> >> > >> >> There is indeed a problem with Dynamic komi with Zen. Zen often loses > >> >> the handicap games if black tries to minimize the move count. Often if > >> >> it is possible to bring game to small yose in around move 180 or so > and > >> >> if not too much behind, then Zen most likely will lose. I have played > >> >> few games where Zen noted only when filling last dames that it is > > losing > >> >> the game by few or half points and then resign. Although, one game was > >> >> that I lost by ½ points, because I accidentally defended unnecessarily > >> >> instead of taking the last dame. One game was that i was about ten > >> >> points behind around move 180, but then Zen played a slack small yose, > >> >> and lost by 2½ points. Also good and very easy strategy against zen in > >> >> handicap games is to take all the sides and give center territory to > > the > >> >> Zen. Zen almost always will take the center territory as too small and > >> >> gives sides as too big. > >> > > >> > > >> > I think people often confuse the evaluation problem and the dynamic > komi > >> > problem. A more urgent problem is the underestimation of the edge and > >> > corner territory. > >> > > >> > -- > >> > Yamato > >> > _______________________________________________ > >> > 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
