This page explains how David Mcbeath (USATT# 1175593)'s rating went from 2674 to 2668 at the MLTT Portland held on 26 Jan 2024 - 28 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.