This page explains how Billy Joe (USATT# 79440)'s rating went from 2021 to 2001 at the NJTTC 2014 February Open held on - 9 Feb 2014. 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.