This page explains how Sue Squassoni (USATT# 76684)'s rating went from 1419 to 1409 at the Robopong April 2017 BTTC Open held on 29 Apr 2017 - 30 Apr 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.