This page explains how Shilpi Purohit (USATT# 90414)'s rating went from 1819 to 1820 at the Texas Wesleyan Open held on - 31 Aug 2013. 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.