This page explains how John C Browning (USATT# 50538)'s rating went from 1686 to 1674 at the 2007 Wichita Team TT Tourn held on - 30 Jun 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.