This page explains how Trung Nguyen (USATT# 198533)'s rating went from 1839 to 1841 at the BTTC League event from 28 Jan 2020. 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.