This page explains how Matthew Heister (USATT# 276539)'s rating went from 1678 to 1671 at the NYISC June 2024 Open held on 1 Jun 2024 - 1 Jun 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.