This page explains how Gerard J. Schreuders (USATT# 50104)'s rating went from 1583 to 1557 at the Mooresville Table Tennis League event from 1 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.