This page explains how Philippe Dassonval (USATT# 60396)'s rating went from 2010 to 2007 at the LYTTC May Open 2023 held on 13 May 2023 - 13 May 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.