This page explains how Donna Jean Sakai (USATT# 8644)'s rating went from 1782 to 1780 at the Robo-Pong St. Joe Valley Open held on - 4 May 2008. 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.