This page explains how Evan Momios (USATT# 19643)'s rating went from 1612 to 1609 at the 2000 Spin Open held on - 23 Apr 2000. 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.