This page explains how Daniel J Cohen (USATT# 1910)'s rating went from 1232 to 1181 at the Club JOOLA Spring Open held on - 8 Apr 2012. 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.