This page explains how Katherine Dong (USATT# 214719)'s rating went from 1340 to 1331 at the Glen Head Table Tennis Center Saturday Night League event from 11 Aug 2018. 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.