This page explains how Kelly Zhao (USATT# 86018)'s rating went from 2317 to 2313 at the 2017 Kong Ghee Lee - Pong For Harvey Tournament held on 18 Nov 2017 - 19 Nov 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.