This page explains how Donald Hinshaw (USATT# 32907)'s rating went from 1453 to 1452 at the St. Joseph Valley Open held on - 22 May 2005. 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.