This page explains how Joseph Nam (USATT# 216761)'s rating went from 1144 to 1140 at the America's Team Championship held on 26 May 2018 - 26 May 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.