This page explains how Jiaqi Zheng (USATT# 72386)'s rating went from 2412 to 2427 at the Ping Pong Dojo event from 10 May 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.