This page explains how Luis Villalba (USATT# 277267)'s rating went from 1138 to 1225 at the Westchester 2024 May Open held on 25 May 2024 - 26 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.