This page explains how Pierre Dorcely (USATT# 47764)'s rating went from 1675 to 1650 at the NJTTC November Open held on - 21 Nov 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.