This page explains how Louie Lozada (USATT# 223685)'s rating went from 1559 to 1546 at the NJTTC Monday League event from 14 Jan 2019. 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.