This page explains how Owen Allen (USATT# 201551)'s rating went from 1670 to 1654 at the Tucson Table Tennis Club League event from 4 Aug 2019. 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.