This page explains how Cindy Liu (USATT# 199190)'s rating went from n/a to 531 at the MDTTC Tuesday/Friday League event from 1 Dec 2015. 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.