This page explains how Louie Lozada (USATT# 223685)'s rating went from 1820 to 1791 at the NJTTC Tuesday V League event from 17 Jan 2023. 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.