This page explains how Alok Bopanna (USATT# 92994)'s rating went from 1525 to 1521 at the Minnesota Saturday Open event from 13 Apr 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.