This page explains how Donald Hinshaw (USATT# 32907)'s rating went from 2005 to 2000 at the Septemebr Open held on - 29 Sep 2012. 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.