This page explains how Xianghua Xiao (USATT# 927831)'s rating went from 1177 to 1179 at the Austin Table Tennis League event from 18 Jan 2017. 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.