Computer Go is now on the same curve of capability as computer chess: whether measured on the ELO or the kyu/dan scale, each doubling of power gives a roughly constant rating improvement.
My observation is that ELO ratings are calculated on a logistic curve—and so contain a “hidden” exponent—so the “constant rating improvement” should be taken with a pinch of salt.
The idea in the post was:
My observation is that ELO ratings are calculated on a logistic curve—and so contain a “hidden” exponent—so the “constant rating improvement” should be taken with a pinch of salt.