This page explains how Irving Adams (USATT# 30606)'s rating went from 1883 to 1849 at the NJTTC 2014 November Open held on - 9 Nov 2014. 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.