This page explains how Gerald (Jerry) E. Ladd (USATT# 22954)'s rating went from 1422 to 1420 at the Vegas Valley Over-40 Open held on 31 Mar 2016 - 3 Apr 2016. 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.