This page explains how Andrey Farkash (USATT# 14336)'s rating went from 1938 to 1925 at the NJTTC Monday League event from 21 Jan 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.