This page explains how Tiffany Lam (USATT# 96513)'s rating went from 66 to 85 at the PTTC Saturday League event from 28 Mar 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.