This page explains how Kian I Avilla (USATT# 96791)'s rating went from 1427 to 1415 at the BTTC League event from 16 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.