This page explains how Tom H. Li (USATT# 37938)'s rating went from 1624 to 1627 at the Meiklejohn National Seniors TT held on - 13 Jun 1999. 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.