This page explains how Guillaume Muller (USATT# 277458)'s rating went from 1089 to 1086 at the LYTTC May Open 2024 held on 11 May 2024 - 12 May 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.