This page explains how Andriy Rusyn (USATT# 78005)'s rating went from 901 to 874 at the Middlecreek November Open held on - 8 Nov 2008. 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.