This page explains how Geng Liu (USATT# 264652)'s rating went from 1224 to 1440 at the Matchpoint TTC Friday League event from 1 Oct 2021. 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.