This page explains how Sam Yahel (USATT# 79362)'s rating went from 1711 to 1690 at the NJTTC April Open held on - 1 May 2011. 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.