goproblems.com

When I view http://www.goproblems.com/group/usergroup.php?lev=0 or any other subgroup, I get the error
"DataTables warning: JSON data from server could not be parsed. This is caused by a JSON formatting error".

For example, http://goproblems.com/prob/ratinghist.php?id=16102 . The problem is about two years old, but during the last two months the rating went from approximately 10kyu to 3kyu, when I would expect the rating to have converged already. One issue that makes coverging hard might be that many user...

I think that can happen because the problems in a time trial are chosen through the "solve ratio rating", which differs from the big displayed rating. (I realize the question is a bit old.)

No, white b7 doesn't work, black can answer a7. Since this is the side and not the corner. In general, you should ask such questions directly at the problem's page instead of here.

Ok, I didn't know that. Still I think that single attempts effect the problems ratings too much. For example, my two problems changed now from 3 kyu to 1 kyu and from 1 dan to 6 dan in only three days. It is true they are fairly young, 3 months (but without time trial) and 1 month respectively, with...

The rating system is really too generous. I'm 5k on KGS (and I'm probably lower according to other rating systems), but i can reach 1d here. Also I've submitted 2 problems, and they are rated as 1 dan and 3 kyu at the moment, though i think 10 kyu would be more appropriate. I've tracked the ratings ...