This page explains how Norman Lehr (USATT# 96949)'s rating went from 1449 to 1443 at the 2018 DFWTT Fall Open held on 10 Nov 2018 - 11 Nov 2018. 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.