This page explains how Jim Beckford (USATT# 4148)'s rating went from 1939 to 1980 at the Mid FL Tour - July Classic Open held on - 16 Jul 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.