This page explains how Kingsley N Chin (USATT# 19042)'s rating went from 1634 to 1684 at the Atlanta Giant RR held on - 7 Mar 2009. 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.