This page explains how Thilina Piyadasa (USATT# 75317)'s rating went from 2401 to 2410 at the NE Pennsylvania Open TT Champi held on - 3 Nov 2007. 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.