This page explains how Carlos Zeller (USATT# 65087)'s rating went from 1681 to 1722 at the US Open Warm Up Tournament held on - 29 Jun 2003. 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.