This page explains how Ralph L. Stadelman (USATT# 10217)'s rating went from 1817 to 1810 at the Reno-Sparks Biggest Little Tournament held on - 21 May 2011. 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.