This page explains how Irwin Weintraub (USATT# 78568)'s rating went from 603 to 703 at the January '09 Broward TT Open held on - 11 Jan 2009. 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.