This page explains how Alex Uganski (USATT# 81971)'s rating went from 1561 to 1506 at the West Michigan Holland Open 2 Star held on - 6 Oct 2013. 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.