This page explains how Travis Grabow (USATT# 275689)'s rating went from 1089 to 1088 at the AZ PTTC Monday event from 1 Apr 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.