This page explains how Dell Sweeris (USATT# 10415)'s rating went from 2161 to 2080 at the AZ PTTC Monday event from 12 Nov 2012. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.