This page explains how Luis Diaz (USATT# 214824)'s rating went from 2378 to 2367 at the Robopong December 2017 BTTC Open held on 15 Dec 2017 - 17 Dec 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.