This page explains how Michael Jaynes (USATT# 70058)'s rating went from 1649 to 1642 at the Top Spin Winter Open held on - 8 Jan 2011. 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.