This page explains how Sang Nguyen (USATT# 270136)'s rating went from 1675 to 1654 at the Essential Table Tennis OKC event from 17 Feb 2022. 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.