This page explains how Donn S. Olsen (USATT# 8823)'s rating went from 2039 to 2047 at the Greater Atlanta Closed held on - 16 Apr 1994. 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.