This page explains how Sudarshan Gundurao (USATT# 78229)'s rating went from 1601 to 1556 at the NYTTF December Open held on - 7 Dec 2008. 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.