This page explains how Rob Roy Powell (USATT# 275639)'s rating went from 1192 to 1131 at the West Jersey Table Tennis Club League event from 1 Feb 2024. 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.