This page explains how Stephen D Chu (USATT# 74580)'s rating went from 2248 to 2270 at the LYTTC Friday Pro League event from 9 Mar 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.