This page explains how Ralph L. Stadelman (USATT# 10217)'s rating went from 1592 to 1586 at the Mohawk Valley TTC League event from 17 Feb 2014. 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.