This page explains how Isabella Luo (USATT# 267433)'s rating went from 1512 to 1508 at the MDTTC April Open held on 2 Apr 2022 - 3 Apr 2022. 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.