This page explains how Brenda K K Nguyen (USATT# 80114)'s rating went from 1662 to 1651 at the Wheeling Summer Open held on - 29 Jun 2013. 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.