This page explains how Aleksandr Polovinchik (USATT# 84035)'s rating went from 1474 to 1458 at the LATTF event from 22 May 2011. 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.