This page explains how Roberto A. Byles (USATT# 4615)'s rating went from 2318 to 2313 at the Houston TTC May RR held on - 17 May 1997. 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.