This page explains how Michael Lee Cohen (USATT# 4970)'s rating went from 1662 to 1662 at the PCTTC Open held on - 16 Nov 2003. 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.