This page explains how Kenneth K. Yoon (USATT# 49699)'s rating went from 1265 to 1252 at the 5th FIT Open TT Championships held on - 19 Nov 2006. 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.