This page explains how Alex Kotlyar (USATT# 21222)'s rating went from 1668 to 1721 at the Indy Giant RR & 2-Man Teams held on - 5 Jun 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.