This page explains how Jeremiah Sbarra (USATT# 73065)'s rating went from 1304 to 1302 at the Friendship Cup event from 25 Jan 2010. 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.