This page explains how Harry D. McKeever (USATT# 12957)'s rating went from 1571 to 1488 at the Harlingen Spring Open RR held on - 14 Mar 2004. 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.