This page explains how William Heinz (USATT# 1172567)'s rating went from 1579 to 1569 at the PPC 2024 Winter Open held on 20 Jan 2024 - 21 Jan 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.