This page explains how Ladislav Sranko (USATT# 86454)'s rating went from 1957 to 1955 at the Schaumburg Fall Open held on - 5 Nov 2011. 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.