Here's some information from Bill Lathrop's article
This article may help you a little in understanding the points assignment. http://pedigreepost.net/archives/Sta...throp2004.html
If you understand dosage indexing (Brilliant-Intermediate-Classic-Solid-Professional) related to the stallion's contributions to a pedigree, this is profiling based on influential mares in a pedigree.
Some of the science behind the stats has merit, given that the dam is the exclusive contributor of mitochondrial DNA, the so called energy producing cells (run genes) to a foal.
Here's a link to Steve Roman's site on dosage as well: http://www.chef-de-race.com/main_menu.htm