This page explains how Santhoshkumar Srinivasan (USATT# 80110)'s rating went from 1622 to 1580 at the Minnesota Saturday Open event from 30 Apr 2011. 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.