This page explains how John James Alto (USATT# 30755)'s rating went from 2224 to 2169 at the Power Pong Open held on - 7 Nov 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.