This page explains how Sidney W. Cutbill (USATT# 18235)'s rating went from 1386 to 1337 at the Middlecreek September Open held on - 22 Sep 2007. 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.