This page explains how Alexander Zelener (USATT# 34173)'s rating went from 1862 to 1783 at the NW LA Open held on - 14 Sep 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.