This page explains how James J. Carbone (USATT# 50665)'s rating went from 1419 to 1416 at the New Hampshire RR Open held on - 20 Jun 2010. 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.