This page explains how Ryan Park (USATT# 202569)'s rating went from 1623 to 1909 at the Matchpoint TTC Friday League event from 21 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.