This page explains how Armadillo (arma) Auriemmo (USATT# 33040)'s rating went from 1312 to 1310 at the Maui USATT League event from 29 Dec 2004. 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.