This page explains how Mike Williamson (USATT# 211959)'s rating went from 1329 to 1273 at the Golden Triangle Family & Friends held on 27 Apr 2024 - 27 Apr 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.