This page explains how Charles Shen (USATT# 217235)'s rating went from 1831 to 1845 at the Topspin Advanced League event from 12 Jan 2019. 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.