This page explains how Ray Mergliano (USATT# 8303)'s rating went from 1782 to 1742 at the 2012 Northridge Open held on - 4 Mar 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.