This page explains how Zachary Guastadisegni (USATT# 1181588)'s rating went from 1009 to 977 at the PPC 2024 Spring Open held on 30 Mar 2024 - 31 Mar 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.