This page explains how Lily Zhang (USATT# 31126)'s rating went from 1997 to 2050 at the Ping Pong Dojo event from 29 Mar 2008. 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.