This page explains how Terry K. Brecheisen (USATT# 39903)'s rating went from 1234 to 1199 at the Harlings Upstairs event from 25 Aug 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.