This page explains how Diana Kumar (USATT# 270839)'s rating went from 1538 to 1481 at the AZ PTTC Monday event from 27 Nov 2023. 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.