This page explains how Frederick K. Kelsay (USATT# 23458)'s rating went from 1171 to 1157 at the Power Pong January Open held on - 29 Jan 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.