This page explains how Andrew Bui (USATT# 224217)'s rating went from 1668 to 1663 at the Westchester August 2022 Open held on 27 Aug 2022 - 28 Aug 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.