This page explains how Nathaniel Dilworth (USATT# 1131686)'s rating went from 849 to 843 at the Austin Table Tennis League event from 27 Feb 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.