This page explains how Mathew R. R. Morris (USATT# 78557)'s rating went from 1432 to 1398 at the Fall Open held on - 6 Nov 2010. 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.