This page explains how Mikhail Popov (USATT# 35013)'s rating went from 1961 to 1951 at the NYTT March Open held on - 8 Mar 2009. 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.