This page explains how Kelly Zhao (USATT# 86018)'s rating went from 1106 to 1130 at the Waco TT Tournament held on - 30 Jul 2011. 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.