This page explains how Calvin Tinhang Chan (USATT# 73906)'s rating went from 1822 to 2265 at the LYTTC Friday Pro League event from 9 Dec 2012. 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.