This page explains how Wai Sheng Cheng (USATT# 222952)'s rating went from 1403 to 1391 at the Kansas Table Tennis Fall Open Tournament held on 22 Sep 2018 - 22 Sep 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.