This page explains how Chuan Wang (USATT# 271619)'s rating went from 1124 to 1121 at the Matchpoint TTC Friday League event from 19 Nov 2021. 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.