This page explains how Jim Beckford (USATT# 4148)'s rating went from 1961 to 1986 at the Florida Orange Blossom Series Spring Classic Open - 2013 held on - 4 May 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.