This page explains how Jianyi Liu (USATT# 213180)'s rating went from 874 to 870 at the Google Mountain View Table Tennis League event from 30 Sep 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.