This page explains how Trung Nguyen (USATT# 198533)'s rating went from 1846 to 1839 at the SATTA League event from 17 May 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.