This page explains how Andy Liu (USATT# 264276)'s rating went from 1883 to 1865 at the Matchpoint TTC Friday League event from 25 Feb 2022. 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.