This page explains how Corey Mcelveen (USATT# 18230)'s rating went from 1880 to 1866 at the Charlotte Spring Open 2005 held on - 1 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.