This page explains how Mike Jameson (USATT# 83024)'s rating went from 1343 to 1249 at the 2023 Florida Open held on 20 Jul 2023 - 23 Jul 2023. 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.