This page explains how Brian Doherty (USATT# 81487)'s rating went from 1306 to 1330 at the 2024 Austin New Year Giant Round Robin held on 27 Jan 2024 - 27 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.