This page explains how Andrew Bui (USATT# 224217)'s rating went from 1373 to 1630 at the Westchester October 2020 Little Open held on 24 Oct 2020 - 25 Oct 2020. 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.