This page explains how Rick Mueller (USATT# 2655)'s rating went from 1880 to 1949 at the Oded Amitz-Lev Memorial TT Cha held on - 28 Sep 1997. 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.