This page explains how Marcos Alves (USATT# 80490)'s rating went from 1950 to 1925 at the Austin TT Winter Open held on - 27 Mar 2011. 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.