This page explains how Tom Alexy (USATT# 45757)'s rating went from 1397 to 1426 at the 2013 Decatur Open held on - 17 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.