This page explains how Marcos Coloma (USATT# 30350)'s rating went from n/a to 1690 at the BTTC Members League event from 22 Jun 2007. 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.