This page explains how Cherry Zheng (USATT# 77612)'s rating went from 904 to 1028 at the Xtreme TT Texas Spring Open held on - 18 Apr 2009. 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.