This page explains how James Ritz (USATT# 41524)'s rating went from 1831 to 1810 at the Sac-Rec Winter Open TTT held on - 16 Jan 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.