This page explains how Wai Sheng Cheng (USATT# 222952)'s rating went from 1338 to 1328 at the Westside Kansas City Table Tennis event from 7 Oct 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.