19 Jul 2019
This page explains how Richard A. Dewitt (USATT# 47261)'s rating went from 2237 to 2215 at the MDTTC Tuesday/Friday League event from 19 Jul 2019. The links below take you to pages that describe various aspects of the ratings processor.
The ratings 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.