I just read a blog post today about Starcraft 2’s rating system: http://www.sirlin.net/blog/2010/7/24/analyzing-starcraft-2s-ranking-system.html http://www.sirl

I just read a blog post today about Starcraft 2’s rating system: http://www.sirlin.net/blog/2010/7/24/analyzing-starcraft-2s-ranking-system.html http://www.sirlin.net/blog/2010/7/24/analyzing-starcraft-2s-.... It seems like Microsoft’s TrueSkill system described there might be very applicable to this chess-ranking problem.