This page explains how Jiaqi Zheng (USATT# 72386)'s rating went from 2511 to 2512 at the 2007 JOOLA RR Extravaganza held on - 5 Aug 2007. 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.