This page explains how Seyed Jafarinejad (USATT# 71678)'s rating went from 1982 to 1965 at the Milpitas Sports Center event from 10 Nov 2007. 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.