This page explains how Clem Volpert (USATT# 38067)'s rating went from 1303 to 1301 at the AITTA event from 11 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.