This page explains how Geovanny Coello (USATT# 21270)'s rating went from 2461 to 2459 at the Robo-Pong November 2017 BTTC Open held on 4 Nov 2017 - 5 Nov 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.