This page explains how Terry George Lonergan (USATT# 7861)'s rating went from 2036 to 2039 at the NTTC September Open held on - 15 Sep 1996. 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.