This page explains how Geoffrey Cheng (USATT# 91967)'s rating went from 2087 to 2211 at the LYTTC Friday Pro League event from 24 May 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.