goproblems.com

Thanks, that helps. So I guess my first task here will be to find out how low I can go before this thing stabilizes ))

Yep, I fully agree. The contribution of a problem to a user's rating needs to be weighted by how many people have tackled the problem. In addition, it would be even better to also log the strength of the user when he/she does the problem. For example, if I solve a problem that means that it's dead e...

Well, same confusion here. The little bit of information on the info page talks about ratings between -100 to 100. My rating history starts at 1200 and goes down, down, down. Along those lines, the top problem solvers have a rank next to their name. Where does that one come from? Ranking of ratings ...