This page explains how Diana Kumar (USATT# 270839)'s rating went from 1278 to 1288 at the AZ PTTC Monday event from 8 May 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.