This page explains how Kenneth J. Eng (USATT# 25764)'s rating went from 1678 to 1657 at the Framingham TTC May Open held on - 20 May 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.