This page explains how Sergey Averin (USATT# 18198)'s rating went from 1653 to 1668 at the Sports Fitness Series held on - 5 Aug 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.