This page explains how Louis Vance (USATT# 95630)'s rating went from 1486 to 1505 at the AZ PTTC Monday event from 4 Nov 2020. 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.