This page explains how Tim St. Germain (USATT# 52013)'s rating went from 1877 to 1886 at the Colorado Spring Invitational held on - 29 Mar 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.