This page explains how Sam Shen (USATT# 53082)'s rating went from 1942 to 1938 at the SAC-REC Spring Open held on - 18 Jun 1994. 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.