This page explains how Xiaofeng (frank Zhu (USATT# 27551)'s rating went from 1576 to 1601 at the 2005 St. Louis Open Teams held on - 10 Apr 2005. 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.