I was responding to Stefan's 70% remark. I understand that handicap stones are not equivalent to ELO.
On Tue, Oct 12, 2010 at 10:59 AM, David Fotland <[email protected]> wrote: > National rating systems like the AGA uses have a more fine grained rating > system, based on tournament results. It's not exactly ELO, because the AGA > uses 100 rating points = 1 handicap rank, and of course it would a huge > coincidence if 100 Elo happened to correspond to the win rate for one > handicap stone at all strengths. > > David > >> -----Original Message----- >> From: [email protected] [mailto:computer-go- >> [email protected]] On Behalf Of Michael Williams >> Sent: Tuesday, October 12, 2010 4:46 AM >> To: [email protected] >> Subject: Re: [Computer-go] cgos 19x19 gets interesting >> >> That's equivalent to ELO. >> >> >> On Tue, Oct 12, 2010 at 3:25 AM, Stefan Kaitschick >> <[email protected]> wrote: >> > difference in rank = number of handicap stones >> > is very convinient ofcourse. >> > An alternative way to look at this is to say: >> > if player A beats player B 70% of the time in an even game(with komi) >> player >> > A is 1 rank higher. >> > (Ranking systems make this kind of presumption. Maybe somebody on the > list >> > can supply the value KGS uses) >> > This would accommodate an almost infinite number of ranks within the > span >> of >> > the last stone towards perfection. >> > >> > Stefan >> > >> >> For amateurs, rank is defined as the number of handicap stones for an >> even >> >> game. For pro's it's somewhat arbitrary, depending on good results in >> the >> >> rating tournaments over many games. Of course Elo is a European chess >> >> concept and is not used for traditional games in Asia. A 9 dan pro is >> >> perhaps two or three handicap stones stronger than a 1 dan pro, so > there >> >> are >> >> more than one pro rank per handicap stone. >> >> >> >> David >> >> >> >>> -----Original Message----- >> >>> From: [email protected] [mailto:computer-go- >> >>> [email protected]] On Behalf Of Michael Williams >> >>> Sent: Monday, October 11, 2010 9:41 PM >> >>> To: [email protected] >> >>> Subject: Re: [Computer-go] cgos 19x19 gets interesting >> >>> >> >>> On Mon, Oct 11, 2010 at 8:37 PM, Mark Boon<[email protected]> >> >> >> >> wrote: >> >>>> >> >>>> If you accept that the number of 'dan' ranks for a handicap stone >> >>>> increases, maybe the difference in rank between god and a 9p may >> >>>> actually be very, very high as the number of ranks accounting for the >> >>>> last stone could be dozens or more. >> >>> >> >>> Clearly being able to given a stone and have an even match is not what >> >>> is used to define rank. Is ELO used to define rank? If not, then >> >>> isn't it a largely arbitrary measure? >> >>> _______________________________________________ >> >>> 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 > _______________________________________________ Computer-go mailing list [email protected] http://dvandva.org/cgi-bin/mailman/listinfo/computer-go
