This page explains how Walter L. Gomes (USATT# 6169)'s rating went from 1226 to 1229 at the SVistaTT League event from 1 Feb 2005. 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.