This page explains how Kenneth K. Milgram (USATT# 8340)'s rating went from 1395 to 1393 at the Spin Open held on - 4 Apr 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.