This page explains how Ray Gu (USATT# 277930)'s rating went from 1089 to 1074 at the New Jersey Table Tennis Club May 21, 2023 Open held on 21 May 2023 - 21 May 2023. 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.