This page explains how John R. Houser (USATT# 14686)'s rating went from 882 to 870 at the Waco Table Tennis Club Round Robin Tournament held on - 25 Jul 2015. 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.