This page explains how Wai Sheng Cheng (USATT# 222952)'s rating went from 1398 to 1352 at the Westside Kansas City Table Tennis event from 16 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.