This page explains how Rick Lohman (USATT# 282124)'s rating went from 678 to 677 at the AZ PTTC Monday event from 4 Mar 2024. 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.