This page explains how Landy Liu (USATT# 267246)'s rating went from 1223 to 1266 at the MDTTC February Open held on 12 Feb 2022 - 13 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.