This page explains how Andrei Zanko (USATT# 203165)'s rating went from 1746 to 1684 at the Westchester August 2021 Little Open held on 28 Aug 2021 - 29 Aug 2021. 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.