This page explains how Louie Lozada (USATT# 223685)'s rating went from 1811 to 1789 at the NJTTC Thursday Adv League event from 9 Dec 2021. 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.