This page explains how Solon Yiu (USATT# 82146)'s rating went from 299 to 820 at the Concord Cup Youth Open held on - 24 Oct 2010. 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.