This page explains how Jiaqi Zheng (USATT# 72386)'s rating went from 2415 to 2390 at the Milpitas Sports Center event from 14 Oct 2006. 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.