This page explains how Alan Chen (USATT# 88147)'s rating went from 1408 to 1451 at the LYTTC Friday Pro League event from 1 Jun 2013. 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.