This page explains how Roberto A. Byles (USATT# 4615)'s rating went from 2271 to 2243 at the 2015 Austin Spring Classic Round Robin Tournament held on - 26 Apr 2015. 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.