This page explains how Thilina Piyadasa (USATT# 75317)'s rating went from 2515 to 2543 at the Glendale Friendship Tournament held on - 19 Oct 2008. 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.