This page explains how Jingfan Feng (USATT# 219191)'s rating went from 174 to 172 at the Fremont Table Tennis Academy League event from 25 Aug 2018. 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.