This page explains how Debbie Malkin (USATT# 217578)'s rating went from 1279 to 1171 at the 2024 NEWARK BUTTERFLY APRIL OPEN held on 13 Apr 2024 - 13 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.