This page explains how David L Phelps (USATT# 16708)'s rating went from 1552 to 1633 at the Charlotte Spring Open held on - 2 Mar 2002. 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.