This page explains how Dimitriy Lanis (USATT# 64428)'s rating went from 1731 to 1705 at the Pennsylvania State Closed Cham held on - 24 Apr 1994. 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.