This page explains how Mathew R. R. Morris (USATT# 78557)'s rating went from 1732 to 1673 at the America's Team Championship held on - 24 May 2015. 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.