This page explains how Di Gao (USATT# 218281)'s rating went from 1583 to 1572 at the 2014 Missouri Winter Games Open held on - 1 Mar 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.