This page explains how Tay Nguyen (USATT# 83113)'s rating went from 1699 to 1657 at the Champaign Fall Open Giant Round Robin held on - 18 Oct 2014. 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.