This page explains how John F. Merritt (USATT# 69685)'s rating went from 1438 to 1408 at the Virginia State Championships held on - 19 Jun 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.