This page explains how Ryan Park (USATT# 202569)'s rating went from 1628 to 1623 at the Matchpoint TTC Friday League event from 7 Jun 2019. 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.