This page explains how Viful V. Mhapsekar (USATT# 28804)'s rating went from 1691 to 1663 at the AITTA 2004-2005 event from 14 Nov 2004. 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.