This page explains how William S. Kohut (USATT# 7365)'s rating went from 1286 to 1331 at the 6th Annual Holiday Classic held on - 14 Jan 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.