This page explains how Gary Osmanoff (USATT# 13305)'s rating went from 2266 to 2251 at the LYTTC Friday Pro League event from 4 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.