This page explains how Karun K. Singh (USATT# 48752)'s rating went from 1661 to 1561 at the 9th FIT Open TT Championships held on - 26 Oct 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.