This page explains how Oluwole Ayangade (USATT# 64766)'s rating went from 2053 to 1983 at the Schaumburg Christmas Open held on - 18 Dec 2004. 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.