This page explains how Erik Strom (USATT# 82291)'s rating went from 939 to 923 at the Florida Orange Blossom Series - Winter Classic Open held on - 25 Feb 2012. 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.