This page explains how Calvin Tinhang Chan (USATT# 73906)'s rating went from 2171 to 2180 at the NJTTC 2012 January Open held on - 15 Jan 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.