This page explains how Roman Tinyszin (USATT# 10586)'s rating went from 1356 to 1450 at the Westfield October Open held on - 18 Oct 1998. 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.