This page explains how Victor J. Lorand (USATT# 7878)'s rating went from 1854 to 1853 at the Robopong December 2013 BTTC Open held on - 8 Dec 2013. 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.