This page explains how Jeremiah Sbarra (USATT# 73065)'s rating went from 1091 to 1089 at the Southern Arizona DHS Table Tennis League event from 20 Dec 2008. 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.