This page explains how Antonio E. Matos (USATT# 25781)'s rating went from 1799 to 1783 at the BTTC Members League event from 15 Jul 2004. 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.