This page explains how Emil Santos (USATT# 83299)'s rating went from 2619 to 2617 at the BUTTERFLY APRIL 2019 BTTC OPEN held on 12 Apr 2019 - 14 Apr 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.