This page explains how Brian Baro (USATT# 203102)'s rating went from 1381 to 1337 at the Butterfly April 2018 BTTC Open held on 14 Apr 2018 - 15 Apr 2018. 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.