This page explains how Prasith (sith) Bounkeo (USATT# 73584)'s rating went from 1816 to 1804 at the Minnesota Saturday Open event from 4 Dec 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.