This page explains how Marcin Wrzoszczyk (USATT# 88361)'s rating went from 1457 to 1477 at the 2012 NJTTC Giant Round Robin held on - 23 Jun 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.