See below I created a table that shows the transformation from KGS ratings
to the Elo that CGOS uses. I set 6k=1800 because I believe that is what GNU
3.7.10 is under both systems. Does anyone have more data points for bots
that play on both systems?
Also is there an "all times" list for 19x19? CS-9-17-2CPU is on top at
2297, but I don't think that's the strongest CrazyStone. I think other strong
19x19 bots are not on the current list either.
To create the table I calculated the probability for a player of rank X to
upset a player of rank X+1. Then I converted this to the equivalent number
of Elo points for the same upset rate. Finally I made a running total,
setting 6k to 1800. The transform could be done using calculus I suppose
but it's been a long time since I did that! :)
ELO set
rank k 1 rank 6k=1800
10k 0.80 139 1,244
9k 0.80 139 1,383
8k 0.80 139 1,522
7k 0.80 139 1,661
6k 0.80 139 1,800
5k 0.80 139 1,939
4k 0.88 153 2,078
3k 0.97 168 2,231
2k 1.05 182 2,399
1k 1.13 197 2,582
1d 1.22 211 2,779
2d 1.30 226 2,990
3d 1.30 226 3,216
4d 1.30 226 3,442
5d 1.30 226 3,667
6d 1.30 226 3,893
7d 1.30 226 4,119
8d 1.30 226 4,345
9d 1.30 226 4,571
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