It's probably pretty common since all I check for is the win/lose status, and also since many games end in resignation and don't get scored.
David From: [email protected] [mailto:[email protected]] On Behalf Of Don Dailey Sent: Monday, April 26, 2010 9:29 AM To: [email protected] Subject: Re: [Computer-go] Many Faces and Japanese rules I wonder if it's common for both gnugo and MFGO to agree on a wrong score? In computer chess it's not uncommon for 2 program to want to play the same weak move for the same (incorrect) reasons. Don On Mon, Apr 26, 2010 at 12:24 PM, David Fotland <[email protected]> wrote: This is a change of topic, since the final score is done by Many Faces' engine, not the MC playouts. We were talking about MC support for Japanese rules in order to play well in a game that is being scored by Japanese rules. Final score accuracy is not perfect under either Japanese or Chinese rules. Correct scoring by computer is either case is about the same difficulty. MF is comparable accuracy to gnugo. In test games, the two programs disagree on the score about 1 in 200 games. David From: [email protected] [mailto:[email protected]] On Behalf Of Don Dailey Sent: Monday, April 26, 2010 6:43 AM To: [email protected] Subject: Re: [Computer-go] Many Faces and Japanese rules David, Do you have a good sense of the success rate of your scoring algorithm? Is it better than Gnugo for instance? Does it get 99% of the scores correct or is it higher, or lower? It's my understand that correct Japanese scoring by computer is almost impossible to get right in every case, although one can come relatively close. Don On Mon, Apr 26, 2010 at 2:00 AM, David Fotland <[email protected]> wrote: It is a little tricky to make it work. > -----Original Message----- > From: [email protected] [mailto:computer-go- > [email protected]] On Behalf Of Martin Mueller > Sent: Sunday, April 25, 2010 1:52 PM > To: [email protected] > Subject: [Computer-go] Many Faces and Japanese rules > > Hi David, > > I kind of see how to do it in the tree, but can you handle Japanese > rules even in the playout phase? It seems very tricky to me. Fuego will > happily play extra defensive moves in its territory, as long as it is > beyond the search tree, since all the playouts are scored with Tromp- > Taylor rules and are still wins. > > See e.g. > http://fuego.svn.sourceforge.net/viewvc/fuego/trunk/regression/cleanup_ > japanese_rules.tst?revision=1105&view=markup > http://fuego.svn.sourceforge.net/viewvc/fuego/trunk/regression/sgf/game > s/2010/LittleGolem/ > > Martin > > > The pure MC part of MFGO handles Japanese rules correctly. The only > point > > I was making is that there is nothing inherent in the MC algorithm > that > > makes it not suited to Japanese rules. > > _______________________________________________ > 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
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