This page explains how Melody Ding (USATT# 1174366)'s rating went from 56 to 68 at the PTTC Saturday League event from 10 Dec 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.