This page explains how Corey Mcelveen (USATT# 18230)'s rating went from 1859 to 1857 at the Myrtle Beach Table Tennis League event from 25 Mar 2010. 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.