This page explains how Ray Aker (USATT# 305)'s rating went from 1107 to 1095 at the MDTTC September Open held on - 21 Sep 1997. The links below take you to pages that describe various aspects of the ratings processor.

The ratings 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.