This page explains how Matt Mathews (USATT# 18730)'s rating went from 1721 to 1727 at the New Hampshire RR Open held on - 15 Feb 2004. 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.