This page explains how Frank Yelian (USATT# 11755)'s rating went from 1821 to 1813 at the Davison March Open held on - 25 Mar 2000. 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.