This page explains how Don Ray Hamilton (USATT# 27945)'s rating went from 2246 to 2279 at the No. Kentucky Spring RR Open held on - 28 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.