This page explains how Praful Bhaidasna (USATT# 70410)'s rating went from 1906 to 1850 at the ICC Juniors and Adults League event from 21 Nov 2006. 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.