This page explains how Tom Garosshen (USATT# 31205)'s rating went from n/a to 1150 at the Boston TTC January Open held on - 11 Jan 2004. 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.