This page explains how Gerard J. Schreuders (USATT# 50104)'s rating went from 1522 to 1509 at the Mooresville Table Tennis League event from 15 Feb 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.