This page explains how Roman Osmanov (USATT# 16808)'s rating went from 2004 to 2129 at the 18th FIT Open held on - 10 Mar 2013. 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.