This page explains how Lennox Douglas (USATT# 3212)'s rating went from 2023 to 1989 at the MATTC November Open held on - 12 Nov 1995. 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.