This page explains how Rick Kadin (USATT# 7112)'s rating went from 1852 to 1816 at the Chedrac TT Center Fall Open held on - 27 Sep 1997. 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.