This page explains how Kevin Lewis (USATT# 221342)'s rating went from 1936 to 1931 at the Westchester 2024 March Open held on 30 Mar 2024 - 31 Mar 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.