This page explains how Donna Jean Sakai (USATT# 8644)'s rating went from 1793 to 1754 at the US Open held on - 5 Jul 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.