This page explains how Thang Luong (USATT# 1170922)'s rating went from 1531 to 1530 at the $6000 Presper Financial Architects Open held on 8 Oct 2021 - 9 Oct 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.