This page explains how Omprakash Kuppurajah (USATT# 30868)'s rating went from 1869 to 1861 at the Year of Dragon Open held on - 21 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.