This page explains how Jim Weisbecker (USATT# 28820)'s rating went from 1570 to 1507 at the Mid-Florida Tour - Lakeland July Classic Open held on - 14 Jul 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.