This page explains how Fiona Dubina (USATT# 214975)'s rating went from 1710 to 1671 at the $7000 Presper Financial Architects Open held on 24 Mar 2023 - 25 Mar 2023. 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.