David Fotland wrote: > You can't add a fixed ELO offset per stone because games between stronger > players have much lower variance in score. A handicap stone is > approximately a score offset (about 7.5 points for the first handicap stone, > and about 15 points for each additional stone). > > ELO measures probability of winning. A 2 stone handicap game between equal > high dan players has a very high probability of black winning, so there must > be a large ELO offset. A 2 stone game between low kyu players gives black a > small increment in winning probability, so the ELO offset must be small. > > David > Ok, so that means we would have to have a more sophisticated formula. The formula could be dynamically adjusted over time by the server itself to reflect actual results more accurately.
- Don >> I think the two systems can be married by adding a fixed offset per stone >> handicap to your ELO. >> >> - Don >> > > > _______________________________________________ > computer-go mailing list > computer-go@computer-go.org > http://www.computer-go.org/mailman/listinfo/computer-go/ > > _______________________________________________ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/