Competitive ranking systems go head-to-head
If you're at all interested in competitive gaming and skill rankings such as the ELO system (used by chess players and also by Yahoo! Games) and Microsoft's TrueSkill, this article is well worth a read. It delves into the intricacies of ELO and looks at other ranking systems designed to combat its flaws, such as the eGenesis Ranking System developed for A Tale in the Desert.
It also covers tournament ranking systems, such as the well-known double elimination system used in many professional gaming tournaments. As the prize funds and public awareness of these tournaments increase, it's essential to ensure a fair competition for everyone, so don't be too surprised to see mathematics boffins with clipboards observing the next gaming tourney you go to.
[via /.]
