This page explains how Marijo Letic (USATT# 89348)'s rating went from 1909 to 1898 at the $3000 Presper Financial Architects Open held on 8 Sep 2017 - 9 Sep 2017. 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.