Unless you can solve the position, maximizing the score involves risk. Strong players tend to avoid unnecessary risk.
Erik Op 17 nov. 2015 21:06 schreef "Álvaro Begué" <alvaro.be...@gmail.com>: > I wouldn't say they are "not compatible", since the move that maximizes > score is always in the top class (win>draw>loss) for any setting of komi. > You probably mean it in a practical sense, in that MCTS engines are > stronger when maximizing win probability. > > I am more interested in attempting to maximize score, even if the engine > is significantly weaker. Of course this is not what most people want, so I > understand I am looking for something unusual. > > > Álvaro. > > > On Tue, Nov 17, 2015 at 2:58 PM, David Fotland <fotl...@smart-games.com> > wrote: > >> Attempting to maximize the score is not compatible with being a strong >> engine. If you want a dan level engine it is maximizing win-probability. >> >> David >> >> > -----Original Message----- >> > From: Computer-go [mailto:computer-go-boun...@computer-go.org] On >> Behalf Of >> > Darren Cook >> > Sent: Tuesday, November 17, 2015 6:49 AM >> > To: computer-go@computer-go.org >> > Subject: Re: [Computer-go] Strong engine that maximizes score >> > >> > > I am trying to create a database of games to do some machine-learning >> > > experiments. My requirements are: >> > > * that all games be played by the same strong engine on both sides, >> > > * that all games be played to the bitter end (so everything on the >> > > board is alive at the end), and >> > > * that both sides play trying to maximize score, not winning >> probability. >> > >> > GnuGo might fit the bill, for some definition of strong. Or Many Faces, >> on >> > the level that does not use MCTS. >> > >> > Sticking with MCTS, you'd have to use komi adjustments: first find two >> > extreme values that give each side a win, then use a binary-search-like >> > algorithm to narrow it down until you find the correct value for komi >> for >> > that position. This will take approx 10 times longer than normal MCTS, >> for >> > the same strength level. >> > >> > (I'm not sure if this is what Pachi is doing?) >> > >> > Darren >> > >> > _______________________________________________ >> > Computer-go mailing list >> > Computer-go@computer-go.org >> > http://computer-go.org/mailman/listinfo/computer-go >> >> _______________________________________________ >> Computer-go mailing list >> Computer-go@computer-go.org >> http://computer-go.org/mailman/listinfo/computer-go >> > > > _______________________________________________ > Computer-go mailing list > Computer-go@computer-go.org > http://computer-go.org/mailman/listinfo/computer-go >
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