This page explains how Charlie JT Wang (USATT# 94523)'s rating went from 1917 to 1899 at the Topspin Advanced League event from 8 Feb 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.