This page explains how Guo Hui Lu (USATT# 23538)'s rating went from 2414 to 2410 at the $16,000 Meiklejohn North American Seniors Open held on 2 Jun 2022 - 5 Jun 2022. 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.