This page explains how Steven Weller (USATT# 270002)'s rating went from 882 to 874 at the AZ PTTC Monday event from 8 Mar 2021. 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.