This page explains how Herbert Kline Wilson (USATT# 11156)'s rating went from 1561 to 1719 at the NTTC May Open held on - 19 May 1996. 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.