This page explains how Aleksandr Polovinchik (USATT# 84035)'s rating went from 1459 to 1483 at the LATTF event from 15 Dec 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.