This page explains how Deane Chickering (USATT# 71925)'s rating went from 1462 to 1428 at the Florida Orange Blossom Series Summer Classic Open 2013 held on - 10 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.