This page explains how Cory Eider (USATT# 62727)'s rating went from 2283 to 2287 at the Minnesota Saturday Open event from 19 Feb 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.