This page explains how Tapabrata Dey (USATT# 82211)'s rating went from n/a to 1631 at the February Open held on - 27 Feb 2010. 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.