This page explains how Ralph Tanner (USATT# 80304)'s rating went from 1041 to 1039 at the Summer Slam RR Open held on - 29 Aug 2009. 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.