This page explains how Zachary D Moore (USATT# 31868)'s rating went from 1319 to 1308 at the Harlings Upstairs event from 26 Jan 2011. 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.