This page explains how Salvatore Gionfriddo (USATT# 197010)'s rating went from 885 to 884 at the Austin Table Tennis League event from 7 Jan 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.