This page explains how Jeffrey(Fengyi) Jiang (USATT# 266600)'s rating went from 1298 to 1210 at the New Jersey Table Tennis Club January 21, 2024 Open held on 21 Jan 2024 - 21 Jan 2024. 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.