This page explains how John C. Fredrickson (USATT# 5901)'s rating went from 1788 to 1775 at the West Central Table Tennis event from 17 Sep 2016. 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.