This page explains how Slawomir Gacki (USATT# 86188)'s rating went from 1938 to 1917 at the $3000 Presper Financial Architects Open held on 13 Sep 2019 - 14 Sep 2019. 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.